By Brian S. Mason. Percussion Ensemble. For 3 vibraphones, 3 marimbas (low A), timpani, bass guitar, drum set, djembe, vibra slap, 4 suspended cymbals, crotales (1 octave), mark tree, triangle, African claves, 2 gong drums, 2 shekeres, woodblock. An additional marimba can be used…