Accordion Diatonic Cassoto

Accordion Cassoto makes learning the diatonic button accordion fun and free. It offers didactic songs, chords, scales and exercises, with on-screen note guidance and bellows simulations for authentic practice. Choose from 100+ keys and up to 3 button rows to suit beginners and players at any level.

Realistic sounds from 120 accordion presets, a library of rhythms and loops (Norteño, Vallenato, Cumbia, Forró, Waltz, and more), plus metronome and tempo control. Record your performances, save as video or MIDI, and share with one click—ideal for kids and adults learning at their own pace.