A player of this instrument was inspired by a solar eclipse in Indonesia to use gamelan tunings for “Poem For Bali,” which appears on the album Beauty in the Beast. Mort Garson played this instrument on an album for plants to grow to, Mother Earth’s Plantasia. The first artist to tour with this instrument created a (*) "Monster" one and fronted The Nice before forming a prog rock supergroup with Greg Lake and Carl Palmer. Milton Babbitt and Halim el-Dabh often composed on one of these instruments at the Columbia-Princeton Music Center. Rachel Elkind produced an album consisting of J.S. Bach pieces arranged for this instrument by Wendy Carlos. The first commercial versions of these instruments were created by Robert Moog (“mohg”). For 10 points, name these instruments that generate waveforms and are played with keyboards. ■END■