Bumba
Bumba obs. Icelandic version of the *bladder and string: pellet bells and cymbals were attached to a pole, as were 2 inflated ox bladders, over each of which a string was stretched. This was rubbed with a wooden pick and was said to produce a sound like a drum roll. It was in use up to the 17th c. See also: bumbass (176). Sachs, Curt. Reallexikon der Musikinstrumente. Berlin, 1913.