Ethiopian Ethnic Gambela Music instrument. thumb piano, the lamellophone, the thoom also called online toom, or tom. Ethiopian music instrument.

This is a beautiful online Ethiopian Ethnic Gambela Music instrument.

Metal strips are attached to a wooden soundboard, and you press your thumbs on the ends of the metal to produce sound. The particular instrument pictured above also has metal rings around some of the keys to produce a buzzing sound for added aesthetic value.