diff --git a/Cargo.lock b/Cargo.lock
index eef30b4..4dd18f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -684,7 +684,7 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
 [[package]]
 name = "musicgen"
-version = "0.1.0"
+version = "1.0.0"
 dependencies = [
  "clap",
  "cpal 0.16.0",
diff --git a/Cargo.toml b/Cargo.toml
index 31025b1..89bf80f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "musicgen"
-version = "0.1.0"
+version = "1.0.0"
 edition = "2024"
 authors = ["Atridad Lahiji <me@atri.dad>"]
 description = "Generate electronic music without AI"
diff --git a/src/composition.rs b/src/composition.rs
index 85424ea..906cb38 100644
--- a/src/composition.rs
+++ b/src/composition.rs
@@ -8,6 +8,7 @@ use crate::core::{
     Track,
 };
 use crate::scales::{Scale, ScaleType};
+use crate::synthesis::Waveform;
 
 /// Track-based composition
 #[derive(Debug, Clone)]
@@ -90,12 +91,22 @@ impl Composition {
             _ => InstrumentType::Lead,
         };
 
+        let waveform = match instrument_type {
+            InstrumentType::Lead => Waveform::Sawtooth,
+            InstrumentType::Bass => Waveform::Square,
+            InstrumentType::Pad => Waveform::Sine,
+            InstrumentType::Arp => Waveform::Triangle,
+            InstrumentType::Percussion => Waveform::Noise,
+            InstrumentType::Drone => Waveform::Sine,
+        };
+
         Ok(Track {
             name: track.name.clone(),
-            octave: 4, // Will be overridden by note specifications
+            octave: 4,
             notes,
             volume: track.volume,
             instrument_type,
+            waveform,
         })
     }
 
diff --git a/src/core.rs b/src/core.rs
index d6db6df..bf1a179 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -4,6 +4,7 @@
 //! the musicgen library for representing notes, tracks, and compositions.
 
 use crate::scales::ScaleType;
+use crate::synthesis::Waveform;
 
 /// Musical note representation
 #[derive(Debug, Clone, PartialEq)]
@@ -50,6 +51,7 @@ pub struct Track {
     pub notes: Vec<Note>,
     pub volume: f32,
     pub instrument_type: InstrumentType,
+    pub waveform: Waveform,
 }
 
 /// Composition styles (kept for compatibility)
@@ -296,6 +298,7 @@ mod tests {
             ],
             volume: 0.8,
             instrument_type: InstrumentType::Lead,
+            waveform: Waveform::Sawtooth,
         };
 
         composition.tracks.push(track);