diff --git a/Cargo.lock b/Cargo.lock
index a07b0cb5..fe21dcef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -166,9 +166,9 @@ checksum = "64fa3c856b712db6612c019f14756e64e4bcea13337a6b33b696333a9eaa2d06"
 
 [[package]]
 name = "bytemuck"
-version = "1.22.0"
+version = "1.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6b1fc10dbac614ebc03540c9dbd60e83887fda27794998c6528f1782047d540"
+checksum = "9134a6ef01ce4b366b50689c94f82c14bc72bc5d0386829828a2e2752ef7958c"
 
 [[package]]
 name = "cassowary"
@@ -471,9 +471,9 @@ checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
 [[package]]
 name = "hashbrown"
-version = "0.15.2"
+version = "0.15.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
+checksum = "84b26c544d002229e640969970a2e74021aadf6e2f96372b9c58eff97de08eb3"
 dependencies = [
  "allocator-api2",
  "equivalent",
@@ -1156,9 +1156,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "1.0.5"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d97817398dd4bb2e6da002002db259209759911da105da92bec29ccb12cf58bf"
+checksum = "c71e83d6afe7ff64890ec6b71d6a69bb8a610ab78ce364b3352876bb4c801266"
 dependencies = [
  "bitflags 2.9.0",
  "errno",
@@ -1499,9 +1499,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.100"
+version = "2.0.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b09a44accad81e1ba1cd74a32461ba89dee89095ba17b32f5d03683b1b1fc2a0"
+checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1564,13 +1564,13 @@ dependencies = [
  "fastrand",
  "getrandom 0.3.2",
  "once_cell",
- "rustix 1.0.5",
+ "rustix 1.0.7",
  "windows-sys 0.59.0",
 ]
 
 [[package]]
 name = "tengri"
-version = "0.12.0"
+version = "0.13.0"
 dependencies = [
  "tengri_dsl",
  "tengri_input",
@@ -1580,7 +1580,7 @@ dependencies = [
 
 [[package]]
 name = "tengri_dsl"
-version = "0.12.0"
+version = "0.13.0"
 dependencies = [
  "itertools 0.14.0",
  "konst",
@@ -1589,21 +1589,21 @@ dependencies = [
 
 [[package]]
 name = "tengri_input"
-version = "0.12.0"
+version = "0.13.0"
 dependencies = [
  "tengri_dsl",
 ]
 
 [[package]]
 name = "tengri_output"
-version = "0.12.0"
+version = "0.13.0"
 dependencies = [
  "tengri_dsl",
 ]
 
 [[package]]
 name = "tengri_tui"
-version = "0.12.0"
+version = "0.13.0"
 dependencies = [
  "atomic_float",
  "better-panic",
@@ -1661,9 +1661,9 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.8.20"
+version = "0.8.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd87a5cdd6ffab733b2f74bc4fd7ee5fff6634124999ac278c35fc78c6120148"
+checksum = "05ae329d1f08c4d17a59bed7ff5b5a769d062e64a62d34a3261b219e62cd5aae"
 dependencies = [
  "serde",
  "serde_spanned",
@@ -1673,26 +1673,33 @@ dependencies = [
 
 [[package]]
 name = "toml_datetime"
-version = "0.6.8"
+version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0dd7358ecb8fc2f8d014bf86f6f638ce72ba252a2c3a2572f2a795f1d23efb41"
+checksum = "3da5db5a963e24bc68be8b17b6fa82814bb22ee8660f192bb182771d498f09a3"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "toml_edit"
-version = "0.22.24"
+version = "0.22.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "17b4795ff5edd201c7cd6dca065ae59972ce77d1b80fa0a84d94950ece7d1474"
+checksum = "310068873db2c5b3e7659d2cc35d21855dbafa50d1ce336397c666e3cb08137e"
 dependencies = [
  "indexmap",
  "serde",
  "serde_spanned",
  "toml_datetime",
+ "toml_write",
  "winnow",
 ]
 
+[[package]]
+name = "toml_write"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfb942dfe1d8e29a7ee7fcbde5bd2b9a25fb89aa70caea2eba3bee836ff41076"
+
 [[package]]
 name = "typewit"
 version = "1.11.0"
@@ -1974,9 +1981,9 @@ checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
 [[package]]
 name = "winnow"
-version = "0.7.6"
+version = "0.7.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63d3fcd9bba44b03821e7d699eeee959f3126dcc4aa8e4ae18ec617c2a5cea10"
+checksum = "d9fb597c990f03753e08d3c29efbfcf2019a003b4bf4ba19225c158e1549f0f3"
 dependencies = [
  "memchr",
 ]
@@ -1992,18 +1999,18 @@ dependencies = [
 
 [[package]]
 name = "zerocopy"
-version = "0.8.24"
+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2586fea28e186957ef732a5f8b3be2da217d65c5969d4b1e17f973ebbe876879"
+checksum = "a1702d9583232ddb9174e01bb7c15a2ab8fb1bc6f227aa1233858c351a3ba0cb"
 dependencies = [
  "zerocopy-derive",
 ]
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.8.24"
+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a996a8f63c5c4448cd959ac1bab0aaa3306ccfd060472f85943ee0750f0169be"
+checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/crates/app/src/api.rs b/crates/app/src/api.rs
index 08e4b5a0..a5e414da 100644
--- a/crates/app/src/api.rs
+++ b/crates/app/src/api.rs
@@ -8,7 +8,24 @@ macro_rules! cmd { ($cmd:expr) => {{ $cmd; None }}; }
 macro_rules! cmd_todo { ($msg:literal) => {{ println!($msg); None }}; }
 
 expose!([self: Tek]
-    ([bool])
+    ([bool]
+        (":mode-editor" self.is_editing())
+        (":mode-clip"   !self.is_editing() && self.selected.is_clip())
+        (":mode-track"  !self.is_editing() && self.selected.is_track())
+        (":mode-scene"  !self.is_editing() && self.selected.is_scene())
+        (":mode-mix"    !self.is_editing() && self.selected.is_mix())
+        (":mode-pool-import" matches!(
+            self.pool.as_ref().map(|p|p.mode.as_ref()).flatten(),
+            Some(PoolMode::Import(..))))
+        (":mode-pool-export" matches!(
+            self.pool.as_ref().map(|p|p.mode.as_ref()).flatten(),
+            Some(PoolMode::Export(..))))
+        (":mode-pool-rename" matches!(
+            self.pool.as_ref().map(|p|p.mode.as_ref()).flatten(),
+            Some(PoolMode::Rename(..))))
+        (":mode-pool-length" matches!(
+            self.pool.as_ref().map(|p|p.mode.as_ref()).flatten(),
+            Some(PoolMode::Length(..)))))
     ([isize])
     ([Color])
     ([Arc<RwLock<MidiClip>>])
diff --git a/crates/app/src/config.rs b/crates/app/src/config.rs
index 4be40dff..2875e0cc 100644
--- a/crates/app/src/config.rs
+++ b/crates/app/src/config.rs
@@ -1,8 +1,11 @@
 use crate::*;
+use std::path::PathBuf;
 
 /// Configuration
 #[derive(Default, Debug)]
 pub struct Configuration {
+    /// Path of configuration entrypoint
+    pub path: PathBuf,
     /// Name of configuration
     pub name: Option<Arc<str>>,
     /// Description of configuration
@@ -14,20 +17,19 @@ pub struct Configuration {
 }
 
 impl Configuration {
-    pub fn from_file (path: &impl AsRef<Path>, _watch: bool) -> Usually<Self> {
-        Self::from_source(String::from_utf8(std::fs::read(path.as_ref())?)?)
-    }
-    pub fn from_source (source: impl AsRef<str> + 'static) -> Usually<Self> {
-        let source: Box<str> = source.as_ref().into();
-        let source: &'static str = Box::leak(source);
-        let [name, info, view, keys] = Self::parse(TokenIter::from(source.as_ref()))?;
+
+    pub fn new (path: &impl AsRef<Path>, _watch: bool) -> Usually<Self> {
+        let text = read_and_leak(path.as_ref())?;
+        let [name, info, view, keys] = Self::parse(TokenIter::from(text))?;
         Ok(Self {
+            path: path.as_ref().into(),
             info: info.map(Self::parse_info).flatten(),
             name: name.map(Self::parse_name).flatten(),
             view: Self::parse_view(view)?,
-            keys: Self::parse_keys(keys)?,
+            keys: Self::parse_keys(&path, keys)?,
         })
     }
+
     fn parse (iter: TokenIter) -> Usually<[Option<TokenIter>;4]> {
         let mut name: Option<TokenIter> = None;
         let mut info: Option<TokenIter> = None;
@@ -59,6 +61,7 @@ impl Configuration {
         }
         Ok([name, info, view, keys])
     }
+
     fn parse_info (mut iter: TokenIter) -> Option<Arc<str>> {
         iter.next().and_then(|x|if let Value::Str(x) = x.value {
             Some(x.into())
@@ -66,6 +69,7 @@ impl Configuration {
             None
         })
     }
+
     fn parse_name (mut iter: TokenIter) -> Option<Arc<str>> {
         iter.next().and_then(|x|if let Value::Str(x) = x.value {
             Some(x.into())
@@ -73,6 +77,7 @@ impl Configuration {
             None
         })
     }
+
     fn parse_view (iter: Option<TokenIter>) -> Usually<TokenIter> {
         if let Some(view) = iter {
             Ok(view)
@@ -80,36 +85,114 @@ impl Configuration {
             Err(format!("missing view definition").into())
         }
     }
-    fn parse_keys (iter: Option<TokenIter>)
+
+    fn parse_keys (base: &impl AsRef<Path>, iter: Option<TokenIter<'static>>)
         -> Usually<InputMap<'static, Tek, TekCommand, TuiIn, TokenIter<'static>>>
     {
-        if let Some(mut keys) = iter {
-            let mut map = InputMap::default();
-            while let Some(token) = keys.next() {
-                match token.value {
-                    Value::Exp(_, mut exp) => {
-                        let next = exp.next();
-                        match next {
-                            Some(Token { value: Value::Key(sym), .. }) => match sym {
-                                "layer"    => { todo!() },
-                                "layer-if" => { todo!() },
-                                _ => return Err(
-                                    format!("(e3) unexpected symbol {sym:?}").into()
-                                )
-                            }
-                            _ => return Err(
-                            format!("(e2) unexpected exp {:?}", next.map(|x|x.value)).into()
-                        )
-                        }
-                    },
-                    t => return Err(
-                        format!("(e1) unexpected token {token:?}").into()
-                    )
-                }
-            }
-            Ok(map)
-        } else {
+        if iter.is_none() {
             return Err(format!("missing keys definition").into())
         }
+        let mut keys = iter.unwrap();
+        let mut map  = InputMap::default();
+        while let Some(token) = keys.next() {
+            if let Value::Exp(_, mut exp) = token.value {
+                let next = exp.next();
+                if let Some(Token { value: Value::Key(sym), .. }) = next {
+                    match sym {
+                        "layer" => {
+                            let next = exp.next();
+                            if let Some(Token { value: Value::Str(path), .. }) = next {
+                                let path = base.as_ref().parent().unwrap().join(unquote(path));
+                                if !std::fs::exists(&path)? {
+                                    return Err(format!("(e5) not found: {path:?}").into())
+                                }
+                                map.add_layer(read_and_leak(path)?.into());
+                            } else {
+                                return Err(format!("(e4) unexpected non-string {next:?}").into())
+                            }
+                        },
+
+                        "layer-if" => {
+                            let mut cond = None;
+
+                            let next = exp.next();
+                            if let Some(Token { value: Value::Sym(sym), .. }) = next {
+                                cond = Some(leak(sym));
+                            } else {
+                                return Err(format!("(e4) unexpected non-symbol {next:?}").into())
+                            };
+
+                            let next = exp.next();
+                            if let Some(Token { value: Value::Str(path), .. }) = next {
+                                let path = base.as_ref().parent().unwrap().join(unquote(path));
+                                if !std::fs::exists(&path)? {
+                                    return Err(format!("(e5) not found: {path:?}").into())
+                                }
+                                print!("{path:?}...");
+                                let keys = read_and_leak(path)?.into();
+                                println!("ok");
+                                let cond = cond.unwrap();
+                                map.add_layer_if(
+                                    Box::new(|state|{
+                                        Context::get(state, &Value::Sym(cond)).unwrap_or(false)
+                                    }),
+                                    keys
+                                );
+                            } else {
+                                return Err(format!("(e4) unexpected non-symbol {next:?}").into())
+                            }
+                        },
+
+                        _ => return Err(format!("(e3) unexpected symbol {sym:?}").into())
+                    }
+                } else {
+                    return Err(format!("(e2) unexpected exp {:?}", next.map(|x|x.value)).into())
+                }
+            } else {
+                return Err(format!("(e1) unexpected token {token:?}").into())
+            }
+        }
+        Ok(map)
     }
+
 }
+
+fn read_and_leak (path: impl AsRef<Path>) -> Usually<&'static str> {
+    Ok(leak(String::from_utf8(std::fs::read(path.as_ref())?)?))
+}
+
+fn leak (x: impl AsRef<str>) -> &'static str {
+    Box::leak(x.as_ref().into())
+}
+
+fn unquote (x: &str) -> &str {
+    let mut chars = x.chars();
+    chars.next();
+    //chars.next_back();
+    chars.as_str()
+}
+
+macro_rules! default_config { ($path:literal) => { ($path, include_str!($path)) }; }
+pub const DEFAULT_CONFIGS: &'static [(&'static str, &'static str)] = &[
+    default_config!("../../../config/config_arranger.edn"),
+    default_config!("../../../config/config_groovebox.edn"),
+    default_config!("../../../config/config_sampler.edn"),
+    default_config!("../../../config/config_sequencer.edn"),
+    default_config!("../../../config/config_transport.edn"),
+
+    default_config!("../../../config/keys_arranger.edn"),
+    default_config!("../../../config/keys_clip.edn"),
+    default_config!("../../../config/keys_clip_length.edn"),
+    default_config!("../../../config/keys_clip_rename.edn"),
+    default_config!("../../../config/keys_clock.edn"),
+    default_config!("../../../config/keys_editor.edn"),
+    default_config!("../../../config/keys_global.edn"),
+    default_config!("../../../config/keys_groovebox.edn"),
+    default_config!("../../../config/keys_mix.edn"),
+    default_config!("../../../config/keys_pool.edn"),
+    default_config!("../../../config/keys_pool_file.edn"),
+    default_config!("../../../config/keys_sampler.edn"),
+    default_config!("../../../config/keys_scene.edn"),
+    default_config!("../../../config/keys_sequencer.edn"),
+    default_config!("../../../config/keys_track.edn"),
+];
diff --git a/crates/app/src/lib.rs b/crates/app/src/lib.rs
index ef4e3a64..fef8fb56 100644
--- a/crates/app/src/lib.rs
+++ b/crates/app/src/lib.rs
@@ -15,6 +15,7 @@
 #![feature(trait_alias)]
 #![feature(type_changing_struct_update)]
 #![feature(let_chains)]
+#![feature(closure_lifetime_binder)]
 /// Standard result type.
 pub type Usually<T> = std::result::Result<T, Box<dyn std::error::Error>>;
 /// Standard optional result type.
diff --git a/crates/cli/tek.rs b/crates/cli/tek.rs
index 604923a9..a5990ad0 100644
--- a/crates/cli/tek.rs
+++ b/crates/cli/tek.rs
@@ -100,7 +100,16 @@ impl Cli {
             for (index, connect) in midi_tos.iter().enumerate() {
                 let port = JackMidiOut::new(jack, &format!("{index}/M"), &[connect.clone()])?;
                 midi_outs.push(port);
-            }
+            };
+            let config_path = match mode {
+                LaunchMode::Clock           => "config/config_transport.edn",
+                LaunchMode::Sequencer       => "config/config_sequencer.edn",
+                LaunchMode::Groovebox       => "config/config_groovebox.edn",
+                LaunchMode::Arranger { .. } => "config/config_arranger.edn",
+                LaunchMode::Sampler         => "config/config_sampler.edn",
+                _ => todo!("{mode:?}"),
+            };
+            let config = Configuration::new(&config_path, false)?;
             let mut app = Tek {
                 jack:  jack.clone(),
                 color: ItemTheme::random(),
@@ -139,14 +148,7 @@ impl Cli {
                 },
                 scenes,
                 selected: Selection::TrackClip { track: 0, scene: 0 },
-                config: Configuration::from_file(match mode {
-                    LaunchMode::Clock           => &"config/config_transport.edn",
-                    LaunchMode::Sequencer       => &"config/config_sequencer.edn",
-                    LaunchMode::Groovebox       => &"config/config_groovebox.edn",
-                    LaunchMode::Arranger { .. } => &"config/config_arranger.edn",
-                    LaunchMode::Sampler         => &"config/config_sampler.edn",
-                    _ => todo!("{mode:?}"),
-                }, false)?,
+                config,
                 ..Default::default()
             };
             if let &LaunchMode::Arranger { scenes, tracks, track_width, .. } = mode {
diff --git a/deps/tengri b/deps/tengri
index 0d4ba4a5..21f7f6b3 160000
--- a/deps/tengri
+++ b/deps/tengri
@@ -1 +1 @@
-Subproject commit 0d4ba4a54ef0528a0a45b58e21a1e4aa7ed5eaf9
+Subproject commit 21f7f6b38afc966b7b45af442935d48c8c5067d3