sanshin

the three bodies = trikaya (Skt)
Found on http://www.horne28.freeserve.co.uk/zenglos.htm

Sanshin

The sanshin (三線, literally "three strings") is an Okinawan musical instrument and precursor of the Japanese shamisen. Often likened to a banjo, it consists of a snakeskin-covered body, neck and three strings. Its close resemblance in both appearance and name to the Chinese sanxian suggests its Chinese origins, the old Ryūkyū Kingdom (pre-J..
Found on http://en.wikipedia.org/wiki/Sanshin
No exact match found