What clef does the accordion use?

As others have told you, the accordion uses both treble and bass clefs. at one time, both hands were written in treble. Interesting is that there are two different systems of notation for the bass. AAA notation uses a single note for the chord. read more

The accordion uses both treble and bass clef like the piano does. You’d probably only come across this if you go to an accordion teacher where you’ll be taught this. It’s good if you already know this from playing the piano but doing all this on the accordion is much harder. read more

on the standard accordion. M m 7 d indicating the Major chord, indicating the minor chord, indicating the Dominant seventh chord, (5t-h omitted) indicating the diminished seventh chord. (5t-h omitted) Only a letter indicating the character of the chord (Not its letter-name) is placed above the (hord note. read more

Actually they are not all chords (this will depend on accordion type). The type that has many round buttons actually have two rows of bass notes to play with the chords; an alternate and root note. The other four rows are actually different chords; major, minor, seventh and diminished. read more