diff --git a/light9/effect/sequencer/service.py b/light9/effect/sequencer/service.py
--- a/light9/effect/sequencer/service.py
+++ b/light9/effect/sequencer/service.py
@@ -55,7 +55,7 @@ def main():
     async def send(settings: DeviceSettings):
         await sendToCollector('effectSequencer', session, settings)
 
-    seq = Sequencer(graph, send)
+    seq = Sequencer(graph, send)  # per-song timed notes
     faders = FaderEval(graph, send)  # bin/fade's untimed notes
 
     app = Starlette(