Settimio Soprani piano accordion (sold), with 41 key 120 bass. This used instrument has been serviced and tuned. It has four voices on the treble side (LMMH) with seven couplers to mix the reed sets. The couplers are labelled bassoon, bandoneon, organ, master, musette, oboe and piccolo. There are two switches on the bass side … Continue reading "Settimio Soprani piano accordion"