Load your favorite music and analyze it, the app converts to good old NES style sounds. Analyzed notes is displayed on piano roll, it helps your transcribing music. Playable sound waves. Pulse 1: 1. Pulse 1: 3. Pulse 1: 7. Triangle. Noise. Sawtooth. Sine. FM bell. FM piano. Reverb function. Mixing with base music function. Exportable by aac or wav format.