Home / Music / What instruments did Terry Riley layer on the title track of Rainbow?Music linernotes album music terry-rileyWhat instruments did Terry Riley layer on the title track of Rainbow?On the title track, Riley overdubbed electric organ, two electric harpsichords (a Baldwin and an RMI Rock-Si-Chord), dumbec, and tambourine — a one-man minimalist orchestra. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious What is Shaker Loops and who composed it?Next What instrument groups are used in Music for 18 Musicians?