diff --git a/Cargo.lock b/Cargo.lock
index 7ca09b41..c51c2dab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -155,6 +155,29 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "175571dd1d178ced59193a6fc02dde1b972eb0bc56c892cde9beeceac5bf0f6b"
 
+[[package]]
+name = "atk"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b4af014b17dd80e8af9fa689b2d4a211ddba6eb583c1622f35d0cb543f6b17e4"
+dependencies = [
+ "atk-sys",
+ "glib",
+ "libc",
+]
+
+[[package]]
+name = "atk-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "251e0b7d90e33e0ba930891a505a9a35ece37b2dd37a14f3ffc306c13b980009"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -266,6 +289,31 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a12916984aab3fa6e39d655a33e09c0071eb36d6ab3aea5c2d78551f1df6d952"
 
+[[package]]
+name = "cairo-rs"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ca26ef0159422fb77631dc9d17b102f253b876fe1586b03b803e63a309b4ee2"
+dependencies = [
+ "bitflags 2.5.0",
+ "cairo-sys-rs",
+ "glib",
+ "libc",
+ "once_cell",
+ "thiserror",
+]
+
+[[package]]
+name = "cairo-sys-rs"
+version = "0.18.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "685c9fa8e590b8b3d678873528d83411db17242a73fccaed827770ea0fedda51"
+dependencies = [
+ "glib-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "calloop"
 version = "0.13.0"
@@ -333,6 +381,16 @@ dependencies = [
  "nom",
 ]
 
+[[package]]
+name = "cfg-expr"
+version = "0.15.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d067ad48b8650848b989a59a86c6c36a995d02d2bf778d45c3c5d57bc2718f02"
+dependencies = [
+ "smallvec",
+ "target-lexicon",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -384,7 +442,7 @@ version = "4.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "528131438037fd55894f62d6e9f068b8f45ac57ffa77517819645d10aed04f64"
 dependencies = [
- "heck",
+ "heck 0.5.0",
  "proc-macro2",
  "quote",
  "syn 2.0.60",
@@ -755,6 +813,16 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af9673d8203fcb076b19dfd17e38b3d4ae9f44959416ea532ce72415a6020365"
 
+[[package]]
+name = "field-offset"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38e2275cc4e4fc009b0669731a1e5ab7ebf11f469eaede2bab9309a5b4d6057f"
+dependencies = [
+ "memoffset",
+ "rustc_version",
+]
+
 [[package]]
 name = "foreign-types"
 version = "0.5.0"
@@ -792,6 +860,127 @@ dependencies = [
  "num",
 ]
 
+[[package]]
+name = "futures-channel"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eac8f7d7865dcb88bd4373ab671c8cf4508703796caa2b1985a9ca867b3fcb78"
+dependencies = [
+ "futures-core",
+]
+
+[[package]]
+name = "futures-core"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
+
+[[package]]
+name = "futures-executor"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a576fc72ae164fca6b9db127eaa9a9dda0d61316034f33a0a0d4eda41f02b01d"
+dependencies = [
+ "futures-core",
+ "futures-task",
+ "futures-util",
+]
+
+[[package]]
+name = "futures-io"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a44623e20b9681a318efdd71c299b6b222ed6f231972bfe2f224ebad6311f0c1"
+
+[[package]]
+name = "futures-macro"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+]
+
+[[package]]
+name = "futures-task"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38d84fa142264698cdce1a9f9172cf383a0c82de1bddcf3092901442c4097004"
+
+[[package]]
+name = "futures-util"
+version = "0.3.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d6401deb83407ab3da39eba7e33987a73c3df0c82b4bb5813ee871c19c41d48"
+dependencies = [
+ "futures-core",
+ "futures-macro",
+ "futures-task",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+]
+
+[[package]]
+name = "gdk"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5ba081bdef3b75ebcdbfc953699ed2d7417d6bd853347a42a37d76406a33646"
+dependencies = [
+ "cairo-rs",
+ "gdk-pixbuf",
+ "gdk-sys",
+ "gio",
+ "glib",
+ "libc",
+ "pango",
+]
+
+[[package]]
+name = "gdk-pixbuf"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50e1f5f1b0bfb830d6ccc8066d18db35c487b1b2b1e8589b5dfe9f07e8defaec"
+dependencies = [
+ "gdk-pixbuf-sys",
+ "gio",
+ "glib",
+ "libc",
+ "once_cell",
+]
+
+[[package]]
+name = "gdk-pixbuf-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f9839ea644ed9c97a34d129ad56d38a25e6756f99f3a88e15cd39c20629caf7"
+dependencies = [
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
+[[package]]
+name = "gdk-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31ff856cb3386dae1703a920f803abafcc580e9b5f711ca62ed1620c25b51ff2"
+dependencies = [
+ "cairo-sys-rs",
+ "gdk-pixbuf-sys",
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "pango-sys",
+ "pkg-config",
+ "system-deps",
+]
+
 [[package]]
 name = "gethostname"
 version = "0.4.3"
@@ -819,12 +1008,154 @@ version = "0.29.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40ecd4077b5ae9fd2e9e169b102c6c330d0605168eb0e8bf79952b256dbefffd"
 
+[[package]]
+name = "gio"
+version = "0.18.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4fc8f532f87b79cbc51a79748f16a6828fb784be93145a322fa14d06d354c73"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-util",
+ "gio-sys",
+ "glib",
+ "libc",
+ "once_cell",
+ "pin-project-lite",
+ "smallvec",
+ "thiserror",
+]
+
+[[package]]
+name = "gio-sys"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "37566df850baf5e4cb0dfb78af2e4b9898d817ed9263d1090a2df958c64737d2"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+ "winapi",
+]
+
+[[package]]
+name = "glib"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233daaf6e83ae6a12a52055f568f9d7cf4671dabb78ff9560ab6da230ce00ee5"
+dependencies = [
+ "bitflags 2.5.0",
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-task",
+ "futures-util",
+ "gio-sys",
+ "glib-macros",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "memchr",
+ "once_cell",
+ "smallvec",
+ "thiserror",
+]
+
+[[package]]
+name = "glib-macros"
+version = "0.18.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bb0228f477c0900c880fd78c8759b95c7636dbd7842707f49e132378aa2acdc"
+dependencies = [
+ "heck 0.4.1",
+ "proc-macro-crate 2.0.0",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+]
+
+[[package]]
+name = "glib-sys"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "063ce2eb6a8d0ea93d2bf8ba1957e78dbab6be1c2220dd3daca57d5a9d869898"
+dependencies = [
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2fabcfbdc87f4758337ca535fb41a6d701b65693ce38287d856d1674551ec9b"
 
+[[package]]
+name = "gobject-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0850127b514d1c4a4654ead6dedadb18198999985908e6ffe4436f53c785ce44"
+dependencies = [
+ "glib-sys",
+ "libc",
+ "system-deps",
+]
+
+[[package]]
+name = "gtk"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93c4f5e0e20b60e10631a5f06da7fe3dda744b05ad0ea71fee2f47adf865890c"
+dependencies = [
+ "atk",
+ "cairo-rs",
+ "field-offset",
+ "futures-channel",
+ "gdk",
+ "gdk-pixbuf",
+ "gio",
+ "glib",
+ "gtk-sys",
+ "gtk3-macros",
+ "libc",
+ "pango",
+ "pkg-config",
+]
+
+[[package]]
+name = "gtk-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "771437bf1de2c1c0b496c11505bdf748e26066bbe942dfc8f614c9460f6d7722"
+dependencies = [
+ "atk-sys",
+ "cairo-sys-rs",
+ "gdk-pixbuf-sys",
+ "gdk-sys",
+ "gio-sys",
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "pango-sys",
+ "system-deps",
+]
+
+[[package]]
+name = "gtk3-macros"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c6063efb63db582968fb7df72e1ae68aa6360dcfb0a75143f34fc7d616bad75e"
+dependencies = [
+ "proc-macro-crate 1.3.1",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+]
+
 [[package]]
 name = "hashbrown"
 version = "0.14.5"
@@ -835,6 +1166,12 @@ dependencies = [
  "allocator-api2",
 ]
 
+[[package]]
+name = "heck"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -1106,6 +1443,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "memoffset"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "microxdg"
 version = "0.1.2"
@@ -1294,7 +1640,7 @@ version = "0.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcbff9bc912032c62bf65ef1d5aea88983b420f4f839db1e9b0c281a25c9c799"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
@@ -1306,7 +1652,7 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "681030a937600a36906c185595136d26abfebb4aa9c65701cefcaf8578bb982b"
 dependencies = [
- "proc-macro-crate",
+ "proc-macro-crate 1.3.1",
  "proc-macro2",
  "quote",
  "syn 2.0.60",
@@ -1557,6 +1903,31 @@ dependencies = [
  "ttf-parser",
 ]
 
+[[package]]
+name = "pango"
+version = "0.18.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ca27ec1eb0457ab26f3036ea52229edbdb74dee1edd29063f5b9b010e7ebee4"
+dependencies = [
+ "gio",
+ "glib",
+ "libc",
+ "once_cell",
+ "pango-sys",
+]
+
+[[package]]
+name = "pango-sys"
+version = "0.18.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "436737e391a843e5933d6d9aa102cb126d501e815b83601365a948a518555dc5"
+dependencies = [
+ "glib-sys",
+ "gobject-sys",
+ "libc",
+ "system-deps",
+]
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -1643,6 +2014,12 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bda66fc9667c18cb2758a2ac84d1167245054bcf85d5d1aaa6923f45801bdd02"
 
+[[package]]
+name = "pin-utils"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
+
 [[package]]
 name = "pkg-config"
 version = "0.3.30"
@@ -1693,6 +2070,39 @@ dependencies = [
  "toml_edit 0.19.15",
 ]
 
+[[package]]
+name = "proc-macro-crate"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7e8366a6159044a37876a2b9817124296703c586a5c92e2c53751fa06d8d43e8"
+dependencies = [
+ "toml_edit 0.20.7",
+]
+
+[[package]]
+name = "proc-macro-error"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+ "version_check",
+]
+
+[[package]]
+name = "proc-macro-error-attr"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "version_check",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.81"
@@ -1885,6 +2295,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "rustfft"
 version = "6.2.0"
@@ -1959,6 +2378,12 @@ dependencies = [
  "tiny-skia",
 ]
 
+[[package]]
+name = "semver"
+version = "1.0.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
+
 [[package]]
 name = "serde"
 version = "1.0.203"
@@ -2122,7 +2547,7 @@ version = "0.26.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f7993a8e3a9e88a00351486baae9522c91b123a088f76469e5bd5cc17198ea87"
 dependencies = [
- "heck",
+ "heck 0.5.0",
  "proc-macro2",
  "quote",
  "rustversion",
@@ -2130,10 +2555,11 @@ dependencies = [
 ]
 
 [[package]]
-name = "suil"
+name = "suil-rs"
 version = "0.1.0"
 dependencies = [
  "bindgen",
+ "gtk",
  "livi",
  "winit",
 ]
@@ -2368,6 +2794,25 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "system-deps"
+version = "6.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3e535eb8dded36d55ec13eddacd30dec501792ff23a0b1682c38601b8cf2349"
+dependencies = [
+ "cfg-expr",
+ "heck 0.5.0",
+ "pkg-config",
+ "toml",
+ "version-compare",
+]
+
+[[package]]
+name = "target-lexicon"
+version = "0.12.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4873307b7c257eddcb50c9bedf158eb669578359fb28428bef438fec8e6ba7c2"
+
 [[package]]
 name = "tek"
 version = "0.1.0"
@@ -2390,7 +2835,7 @@ dependencies = [
  "ratatui",
  "rlsf",
  "rubato",
- "suil",
+ "suil-rs",
  "symphonia",
  "toml",
  "vst",
@@ -2475,6 +2920,17 @@ dependencies = [
  "winnow 0.5.40",
 ]
 
+[[package]]
+name = "toml_edit"
+version = "0.20.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70f427fce4d84c72b5b732388bf4a9f4531b53f74e2887e3ecb2481f68f66d81"
+dependencies = [
+ "indexmap",
+ "toml_datetime",
+ "winnow 0.5.40",
+]
+
 [[package]]
 name = "toml_edit"
 version = "0.22.14"
@@ -2554,6 +3010,12 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
+[[package]]
+name = "version-compare"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "852e951cb7832cb45cb1169900d19760cfa39b82bc0ea9c0e5a14ae88411c98b"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"
diff --git a/crates/suil/Cargo.toml b/crates/suil/Cargo.toml
index 81b9b0d6..db586670 100644
--- a/crates/suil/Cargo.toml
+++ b/crates/suil/Cargo.toml
@@ -1,13 +1,14 @@
 [package]
-name = "suil"
+name = "suil-rs"
 version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+gtk = "0.18.1"
+livi = "0.7.4"
 
 [build-dependencies]
 bindgen = "0.69.4"
 
 [dev-dependencies]
 winit = { version = "0.30.4", features = [ "x11" ] }
-livi = "0.7.4"
diff --git a/crates/suil/src/lib.rs b/crates/suil/src/lib.rs
index c9d331d4..286f20dc 100644
--- a/crates/suil/src/lib.rs
+++ b/crates/suil/src/lib.rs
@@ -60,20 +60,20 @@ impl Host {
                 ui_type_uri.into_raw(),
                 ui_bundle_path.into_raw(),
                 ui_binary_path.into_raw(),
-                features.as_ptr()
+                std::ptr::null_mut(),
             )
         }))
     }
 }
 
 unsafe extern "C" fn write (
-    _: *mut c_void, _: u32, _: u32, _: u32, _: *const c_void
+    _controller: *mut c_void, _: u32, _: u32, _: u32, _: *const c_void
 ) {
     panic!("write")
 }
 
 unsafe extern "C" fn index (
-    _: *mut c_void, _: *const i8
+    _controller: *mut c_void, _: *const i8
 ) -> u32 {
     panic!("index");
     0
diff --git a/crates/suil/src/test.rs b/crates/suil/src/test.rs
index 3ecda447..c3821519 100644
--- a/crates/suil/src/test.rs
+++ b/crates/suil/src/test.rs
@@ -3,26 +3,43 @@ use std::sync::Arc;
 
 #[test]
 fn test_lv2_ui () {
-    let host = Host::new();
-    let mut plugin = plugin::LV2Plugin::new("file:///home/user/.lv2/Odin2.lv2").unwrap();
-    for ui in plugin.plugin.raw().uis().unwrap().iter() {
-        println!("{:?}", ui.uri());
-        println!("{:?}", ui.classes());
-    }
     let mut features = [];
     std::mem::forget(features);
-    let instance = Arc::new(host.instance(
-        &mut plugin.instance.raw(),
-        "http://lv2plug.in/ns/extensions/ui#Gtk3UI",
-        "https://thewavewarden.com/odin2",
-        "https://thewavewarden.com/odin2#ParentUI",
-        "http://lv2plug.in/ns/extensions/ui#X11UI",
-        "/home/user/.lv2/Odin2.lv2/Odin2.so",
-        "/home/user/.lv2/Odin2.lv2/Odin2.so",
-        &features,
-    ).unwrap());
-    println!("{:?}", instance.get_widget());
-    self::ui::UI::run(&instance).join();
+    gtk::init().unwrap();
+    //use gtk::prelude::{ApplicationExt, ApplicationExtManual};
+    //let app = gtk::Application::builder().application_id("lol.tek").build();
+    //app.connect_activate(move |app| {
+        let host = Host::new();
+        //let mut plugin = plugin::LV2Plugin::new("file:///home/user/.lv2/Odin2.lv2").unwrap();
+        let mut plugin = plugin::LV2Plugin::new("file:///home/user/.lv2/Helm.lv2").unwrap();
+        for ui in plugin.plugin.raw().uis().unwrap().iter() {
+            println!("{:?}", ui.uri());
+            println!("{:?}", ui.classes());
+        }
+        //let instance = Arc::new(host.instance(
+            //&mut plugin,
+            //"http://lv2plug.in/ns/extensions/ui#Gtk3UI",
+            //"https://thewavewarden.com/odin2",
+            //"https://thewavewarden.com/odin2#ParentUI",
+            //"http://lv2plug.in/ns/extensions/ui#X11UI",
+            //"/home/user/.lv2/Odin2.lv2/Odin2.so",
+            //"/home/user/.lv2/Odin2.lv2/Odin2.so",
+            //&features,
+        //).unwrap());
+        let instance = Arc::new(host.instance(
+            &mut plugin,
+            "http://lv2plug.in/ns/extensions/ui#Gtk3UI",
+            "http://tytel.org/helm",
+            "http://tytel.org/helm#ParentUI",
+            "http://lv2plug.in/ns/extensions/ui#X11UI",
+            "/home/user/.lv2/Odin2.lv2/helm.so",
+            "/home/user/.lv2/Odin2.lv2/helm.so",
+            &features,
+        ).unwrap());
+        //println!("{:?}", instance.get_widget());
+    //});
+    //app.run();
+    //self::ui::UI::run(&instance).join();
 }
 
 mod ui {
diff --git a/crates/tek/Cargo.toml b/crates/tek/Cargo.toml
index b91c6792..5ffd462c 100644
--- a/crates/tek/Cargo.toml
+++ b/crates/tek/Cargo.toml
@@ -36,4 +36,4 @@ rubato = "0.15.0"
 winit = { version = "0.30.4", features = [ "x11" ] }
 #winit = { path = "../winit" }
 
-suil = { path = "../suil" }
+suil-rs = { path = "../suil" }
diff --git a/shell.nix b/shell.nix
index 39714b53..6fc5d669 100755
--- a/shell.nix
+++ b/shell.nix
@@ -18,6 +18,8 @@ in pkgs.mkShell {
     serd
     libclang
     suil
+    glib
+    gtk3
   ];
   VST3_SDK_DIR = "/home/user/Lab/Music/tek/vst3sdk/";
   LIBCLANG_PATH = "${pkgs.libclang.lib.outPath}/lib";
@@ -32,5 +34,9 @@ in pkgs.mkShell {
     xorg.libXi
     libxkbcommon
     suil
+    # for Helm:
+    alsa-lib
+    curl
+    xorg_sys_opengl
   ]);
 }