- J. Richard Haefer
Two-headed log drum of the Bolivian Alti Plano. It is about 50 cm in diameter and about 15 cm deep; the heads, of goat or sheep hide, are laced together in a V pattern. It has a snare (chariera) across the bottom head made from animal intestines to which cactus spines can be attached to amplify the resonance. It is played with a drumstick (...