Exactly matching the layout of Hohner's Cajun IV diatonic accordion in the key of C, this intuitive virtual accordion app feature a super responsive, one-row fingerboard that plays and sounds like the traditional 4-reed (LMMH) instrument. Both the treble and bass/chord sides of the instrument are provided. The Hohner Cajun Mini-SqueezeBox allows musicians to practice chord combinations, scales, and songs on-the-go. Headphones can be used for private practice, or the audio output of the virtual accordion can be amplified by plugging into computer speakers, or other sound enhancing devices. To play, simply touch the buttons. This type of accordion plays different notes on the push or pull of the bellows. To switch between bellows push and pull, just touch anywhere in bellows or bass side. Touch to switch to push notes, lift to switch to pull notes. When playing the bass-side buttons, you can touch between the buttons to operate the bellows. Touch the '?' icon to show the note names for each button.