Sean Bonniwell was the singer/songwriter and chief visionary of the Music Machine, one of the finest garage-psychedelic bands of the 1960s. The Music Machine's achievements and records are described more fully in their own entry. In brief, though, it can be noted that Bonniwell was by far the most important member of that group, penning their torturous but catchy, riff-driven songs of psychological ecstasy and confusion, even if just one of them ("Talk Talk") became a hit. Bonniwell was also their lead singer, usually using a gripping, throaty tone that could reach a hair-rais...