Aidi Beautiful red accordion with 31 buttons on the right hand with a different note push and pull to give an extended range and 12 bass buttons. Supplied with plan of bass buttons to get you started right away. This is a very nice red colour and absolutely brand new. It is tuned to the keys G, C and F. Play within that row and you play that key. Switch to another row and use the same fingering to play the same tune in a different key. Some other keys possible by playing between rows.