Herrmann used a score of only string instruments, harp, xylophone, vibraphone, marimba and glockenspiel. He helped establish the xylophone, marimba, and vibraphone as jazz instruments. It features a clarinet and gongs accompanied by a piano, xylophone, xylorimba and vibraphone. They are played like a xylophone or vibraphone. Barbee plays guitar, bass guitar, drums, harp and xylophone. On occasion she plays keytar, xylophone and melodica during performances. Brugh plays bass guitar, guitar and xylophone. He later added harmonica and xylophone. The balafon is a gourd-resonated xylophone, a type of struck idiophone. Bikutsi is based on a war rhythm played with various rattles and drums and xylophone. The balafon, similar to a xylophone, is made out of the horns of animals. She plays the piano, the guitar and the xylophone. Instruments including xylophone and bass guitar were later brought, along with a six-member gospel choir. The song features instrumentation from a "happy" xylophone and a "rubbery" bass guitar. The pianos introduce the movement, followed by the xylophone.