* Gene Clark (the Byrds are on the list, but Clark had a long and influential solo career, unlike say McGuinn, who was almost always a Byrd).

* The Mothers of Invention (Zappa is on the list, but while he was the maestro behind the Mothers, the individual members made sizable contributions to the sound and style of the Mothers).

* ? and the Mysterians (one-hit wonders, maybe, but they perfected and popularized garage rock / proto punk)

* The Turtles