This Metal picha contains
tamasha, gitaa, gitaa mchezaji, mchezaji gitaa, drummer, and ngoma.
There might also be
tympanist, timpanist, bass ngoma, gran casa, gran nyumbani, kibati, percussive chombo, percussion chombo, and chombo percussive.
How HEAVY METAL PARKING LOT Went Viral Before The Internet Existed kwa Jeff Krulik (the infamous 80's doc at Judas Priest concert) via linkMore video interviews at link