boobam (arrangement of bamboo tube-drums)
~ Percussion instrument
Pipes of bamboo with goat or calfskin membranes, the pitches depend largely on tube-lenght, it is the ancestor to the octoban. Modern variants are usually made of wood, plastic or metal with plastic membranes.
Hornbostel–Sachs classification 211.211.1
(Open ended cylindrical drum)
octoban (racked 4 or 8 tom-toms)
membranophone (generic drums of any kind)