diff --git a/src/engine/mod.rs b/src/engine/mod.rs
index 81ba4d7..870ed5d 100644
--- a/src/engine/mod.rs
+++ b/src/engine/mod.rs
@@ -2,9 +2,9 @@ mod audio;
 mod link;
 pub mod sequencer;
 
-pub use audio::{build_stream, AudioStreamConfig, ScopeBuffer, SpectrumBuffer};
+pub use audio::{build_stream, AnalysisHandle, AudioStreamConfig, ScopeBuffer, SpectrumBuffer};
 pub use link::LinkState;
 pub use sequencer::{
     spawn_sequencer, AudioCommand, PatternChange, PatternSnapshot, SeqCommand, SequencerConfig,
-    SequencerSnapshot, StepSnapshot,
+    SequencerHandle, SequencerSnapshot, StepSnapshot,
 };