Pene, to see some button accordions (many types), check out Lark in the Morning (www.Larkinam.com). The midsize ones, also called melodeons, are used a lot in Irish music, sea chanteys, Cajun music--and usually are capable of playing in two keys (C/G, G/D, F/C--and their relative minors, of course. Skip Henderson (?), leader of the Sons of the Buccaneers, a SF Bay group, has three of them on stage with him. --seed