diff --git a/crates/tek_core/src/time.rs b/crates/tek_core/src/time.rs
index 69ac840e..16e3f72b 100644
--- a/crates/tek_core/src/time.rs
+++ b/crates/tek_core/src/time.rs
@@ -9,7 +9,7 @@ impl<T> TimeUnit for T where T: PartialEq + Copy
     + Add<Self, Output=Self> + Mul<Self, Output=Self>
     + Div<Self, Output=Self> + Rem<Self, Output=Self> {}
 
-/// Integer time unit, such as frames, pulses, or microseconds
+/// Integer time unit, such as samples, pulses, or microseconds
 pub trait TimeInteger: TimeUnit + From<usize> + Into<usize> + Copy {}
 impl<T> TimeInteger for T where T: TimeUnit + From<usize> + Into<usize> + Copy {}
 
@@ -51,12 +51,12 @@ pub trait BeatsPerMinute<U: TimeFloat> {
     #[inline] fn note_to_usec (&self, (num, den): (U, U)) -> U {
         U::from(4.0) * self.usec_per_beat() * num / den
     }
-    /// Return the number of frames corresponding to a note of the given duration
-    #[inline] fn note_to_frame (&self, note: (U, U)) -> U where Self: SampleRate<U> {
-        self.usec_to_frame(self.note_to_usec(note))
+    /// Return the number of samples corresponding to a note of the given duration
+    #[inline] fn note_to_samples (&self, note: (U, U)) -> U where Self: SampleRate<U> {
+        self.usec_to_sample(self.note_to_usec(note))
     }
-    /// Return the number of frames corresponding to the given number of microseconds
-    #[inline] fn usec_to_frame (&self, usec: U) -> U where Self: SampleRate<U> {
+    /// Return the number of samples corresponding to the given number of microseconds
+    #[inline] fn usec_to_sample (&self, usec: U) -> U where Self: SampleRate<U> {
         usec * self.sr() / U::from(1000f64)
     }
     /// Return the quantized position of a moment in time given a step
@@ -118,8 +118,8 @@ pub trait PulsesPerQuaver<U: TimeUnit> {
 }
 
 pub trait FramePosition<U: TimeUnit> {
-    fn frame (&self) -> U;
-    fn set_frame (&self, frame: U);
+    fn sample (&self) -> U;
+    fn set_sample (&self, sample: U);
 }
 
 pub trait PulsePosition<U: TimeUnit> {
@@ -135,13 +135,13 @@ pub trait UsecPosition<U: TimeUnit> {
 pub trait LaunchSync<U: TimeUnit> {
     fn sync (&self) -> U;
     fn set_sync (&self, sync: U);
-    #[inline] fn next_launch_frame (&self) -> U where U: TimeInteger, Self: FramePosition<U> {
+    #[inline] fn next_launch_sample (&self) -> U where U: TimeInteger, Self: FramePosition<U> {
         let sync  = self.sync();
-        let frame = self.frame();
-        if frame % sync == U::from(0) {
-            frame
+        let sample = self.sample();
+        if sample % sync == U::from(0) {
+            sample
         } else {
-            (frame / sync) * sync + U::from(1)
+            (sample / sync) * sync + U::from(1)
         }
     }
 }
@@ -231,12 +231,12 @@ pub fn pulses_to_name (pulses: usize) -> &'static str {
     ""
 }
 
-/// Defines frames per tick.
+/// Defines samples per tick.
 pub struct Ticks(pub f64);
 
 impl Ticks {
     /// Iterate over ticks between start and end.
-    pub fn between_frames (&self, start: usize, end: usize) -> TicksIterator {
+    pub fn between_samples (&self, start: usize, end: usize) -> TicksIterator {
         TicksIterator(self.0, start, start, end)
     }
 }
@@ -252,16 +252,16 @@ impl Iterator for TicksIterator {
                 return None
             }
             let fpt   = self.0;
-            let frame = self.1 as f64;
+            let sample = self.1 as f64;
             let start = self.2;
             let end   = self.3;
             self.1 = self.1 + 1;
-            //println!("{fpt} {frame} {start} {end}");
-            let jitter = frame.rem_euclid(fpt); // ramps
-            let next_jitter = (frame + 1.0).rem_euclid(fpt);
+            //println!("{fpt} {sample} {start} {end}");
+            let jitter = sample.rem_euclid(fpt); // ramps
+            let next_jitter = (sample + 1.0).rem_euclid(fpt);
             if jitter > next_jitter { // at crossing:
-                let time = (frame as usize) % (end as usize-start as usize);
-                let tick = (frame / fpt) as usize;
+                let time = (sample as usize) % (end as usize-start as usize);
+                let tick = (sample / fpt) as usize;
                 return Some((time, tick))
             }
         }
@@ -273,8 +273,8 @@ mod test {
     use super::*;
 
     #[test]
-    fn test_frames_to_ticks () {
-        let ticks = Ticks(12.3).between_frames(0, 100).collect::<Vec<_>>();
+    fn test_samples_to_ticks () {
+        let ticks = Ticks(12.3).between_samples(0, 100).collect::<Vec<_>>();
         println!("{ticks:?}");
     }
 
diff --git a/crates/tek_sequencer/src/arranger.rs b/crates/tek_sequencer/src/arranger.rs
index 19e0450d..187077e5 100644
--- a/crates/tek_sequencer/src/arranger.rs
+++ b/crates/tek_sequencer/src/arranger.rs
@@ -237,12 +237,12 @@ impl<E: Engine> Arrangement<E> {
         match self.selected {
             ArrangementFocus::Scene(s) => {
                 for (t, track) in self.tracks.iter_mut().enumerate() {
-                    let start = self.clock.next_launch_frame();
+                    let start = self.clock.next_launch_sample();
                     track.player.enqueue_next(start, self.scenes[s].clips[t].as_ref());
                 }
             },
             ArrangementFocus::Clip(t, s) => {
-                let start = self.clock.next_launch_frame();
+                let start = self.clock.next_launch_sample();
                 self.tracks[t].player.enqueue_next(start, self.scenes[s].clips[t].as_ref());
             },
             _ => {}
diff --git a/crates/tek_sequencer/src/arranger_tui.rs b/crates/tek_sequencer/src/arranger_tui.rs
index 74ab2d9b..6070d95a 100644
--- a/crates/tek_sequencer/src/arranger_tui.rs
+++ b/crates/tek_sequencer/src/arranger_tui.rs
@@ -174,7 +174,9 @@ impl<'a> Content for VerticalArranger<'a, Tui> {
                     .map(|t|format!("▎{t:>}"))
                     .unwrap_or(String::from("▎"));
                 let time2 = track.player.next_phrase.as_ref()
-                    .map(|(t, _)|format!("▎{:>}", t.load(Ordering::Relaxed)))
+                    .map(|(t, _)|format!("▎{:>}",
+                        track.player.clock.samples_to_pulse(t.load(Ordering::Relaxed) as f64)
+                    ))
                     .unwrap_or(String::from("▎"));
                 col!(name, time1, time2)
                     .min_xy(w as u16, title_h)
diff --git a/crates/tek_sequencer/src/sequencer.rs b/crates/tek_sequencer/src/sequencer.rs
index 3490475a..80dbcb18 100644
--- a/crates/tek_sequencer/src/sequencer.rs
+++ b/crates/tek_sequencer/src/sequencer.rs
@@ -352,7 +352,7 @@ impl<E: Engine> PhrasePlayer<E> {
     pub fn frames_since_start (&self) -> Option<usize> {
         self.phrase.as_ref()
             .map(|(started,_)|started.load(Ordering::Relaxed))
-            .map(|started|started - self.clock.frame())
+            .map(|started|started - self.clock.sample())
     }
 }
 /// Displays and edits phrase length
diff --git a/crates/tek_sequencer/src/sequencer_snd.rs b/crates/tek_sequencer/src/sequencer_snd.rs
index eb29cb3f..3253acd7 100644
--- a/crates/tek_sequencer/src/sequencer_snd.rs
+++ b/crates/tek_sequencer/src/sequencer_snd.rs
@@ -9,7 +9,7 @@ impl Phrase {
         (frame0, frames, _): (usize, usize, f64),
     ) {
         let mut buf = Vec::with_capacity(8);
-        for (time, tick) in Ticks(timebase.pulses_per_sample()).between_frames(
+        for (time, tick) in Ticks(timebase.pulses_per_sample()).between_samples(
             frame0, frame0 + frames
         ) {
             let tick = tick % self.length;
diff --git a/crates/tek_sequencer/src/transport.rs b/crates/tek_sequencer/src/transport.rs
index 9e9ff3d8..7c1eb9a6 100644
--- a/crates/tek_sequencer/src/transport.rs
+++ b/crates/tek_sequencer/src/transport.rs
@@ -5,8 +5,8 @@ pub struct TransportTime {
     pub timebase: Timebase,
     /// Playback state
     pub playing:  RwLock<Option<TransportState>>,
-    /// Current time in frames
-    pub frame:    AtomicUsize,
+    /// Current time in samples
+    pub sample:   AtomicUsize,
     /// Current time in pulses
     pub pulse:    AtomicUsize,
     /// Current time in microseconds
@@ -27,7 +27,7 @@ pub struct TransportToolbar<E: Engine> {
     pub jack:      Option<JackClient>,
     /// JACK transport handle.
     pub transport: Option<Transport>,
-    /// Global frame and usec at which playback started
+    /// Global sample and usec at which playback started
     pub started:   Option<(usize, usize)>,
     /// Whether the toolbar is focused
     pub focused:   bool,
@@ -52,8 +52,8 @@ impl PulsesPerQuaver<f64> for TransportTime {
     #[inline] fn set_ppq (&self, ppq: f64) { self.timebase.set_ppq(ppq); }
 }
 impl FramePosition<usize> for TransportTime {
-    #[inline] fn frame (&self) -> usize { self.frame.load(Ordering::Relaxed) }
-    #[inline] fn set_frame (&self, frame: usize) { self.frame.store(frame, Ordering::Relaxed); }
+    #[inline] fn sample (&self) -> usize { self.sample.load(Ordering::Relaxed) }
+    #[inline] fn set_sample (&self, sample: usize) { self.sample.store(sample, Ordering::Relaxed); }
 }
 impl UsecPosition<usize> for TransportTime {
     #[inline] fn usec (&self) -> usize { self.usecs.load(Ordering::Relaxed) }
@@ -92,7 +92,7 @@ impl<E: Engine> TransportToolbar<E> {
                     playing: Some(TransportState::Stopped).into(),
                     quant:   24.into(),
                     sync:    (timebase.ppq() as usize * 4).into(),
-                    frame:   0.into(),
+                    sample:  0.into(),
                     pulse:   0.into(),
                     usecs:   0.into(),
                     timebase,
@@ -102,13 +102,13 @@ impl<E: Engine> TransportToolbar<E> {
     }
     pub fn bpm   (&self) -> usize { self.clock.bpm() as usize }
     pub fn ppq   (&self) -> usize { self.clock.ppq() as usize }
-    pub fn pulse (&self) -> usize { self.clock.samples_to_pulse(self.clock.frame()as f64) as usize }
-    pub fn usecs (&self) -> usize { self.clock.samples_to_usec(self.clock.frame() as f64) as usize }
+    pub fn pulse (&self) -> usize { self.clock.samples_to_pulse(self.clock.sample()as f64) as usize }
+    pub fn usecs (&self) -> usize { self.clock.samples_to_usec(self.clock.sample() as f64) as usize }
     pub fn quant (&self) -> usize { self.clock.quant() }
     pub fn sync  (&self)  -> usize { self.clock.sync() }
     pub fn toggle_play (&mut self) -> Usually<()> {
         let transport = self.transport.as_ref().unwrap();
-        let playing = self.clock.playing.read().unwrap().expect("1st frame has not been processed yet");
+        let playing = self.clock.playing.read().unwrap().expect("1st sample has not been processed yet");
         let playing = match playing {
             TransportState::Stopped => {
                 transport.start()?;
diff --git a/crates/tek_sequencer/src/transport_snd.rs b/crates/tek_sequencer/src/transport_snd.rs
index 8c8cbb1a..dfd68e49 100644
--- a/crates/tek_sequencer/src/transport_snd.rs
+++ b/crates/tek_sequencer/src/transport_snd.rs
@@ -11,7 +11,7 @@ impl<E: Engine> TransportToolbar<E> {
         let CycleTimes { current_frames, current_usecs, next_usecs, period_usecs } = times;
         let chunk_size = scope.n_frames() as usize;
         let transport  = self.transport.as_ref().unwrap().query().unwrap();
-        self.clock.set_frame(transport.pos.frame() as usize);
+        self.clock.set_sample(transport.pos.frame() as usize);
         let mut reset  = false;
         if *self.clock.playing.read().unwrap() != Some(transport.state) {
             match transport.state {