A new compilation excavates the curious history and powerful sound of Repetition Repetition, a 1980s L.A. guitar/keys duo that merged the transcendental dissonance of the avant-garde with the serene pulse of new age and the limber nerves of rock ‘n’ roll. Surviving member Steve Caton recalls the scene, hanging out with a Toto guitarist, meeting with Harold Budd and a wedding-reception run-in with Jon Hassell.