syn accepts tones isntead of i32

src/main.rs

@@ -13,7 +13,7 @@ fn main() {
         flags.sample_rate,
     );
     // Play some tones (middle C, E, G). // 16 channels actually // 60=c 64=e 67=g //up to 128velocity though dont go below 50 tbh // 12 tones per octave
-    syn.tone_on(0, tone::new("c").i32(), 127);
+    syn.tone_on(0, tone::new("c+5"), 127);
 
     play(syn, flags.sample_rate, flags.bpm, flags.smallest_note);
 }