Which violinist worked with the American rock band "Seventh Key" who also worked at Tulsa Philharmonic?
Seventh Key: Seventh Key is an American rock band formed by Mike Slamer of City Boy and Streets and Billy Greer of Streets and Kansas. David Ragsdale:  After studies with classical teachers and a stint at the Tulsa Philharmonic, Ragsdale's violinist duties took him out of the largely classical area and into rock and roll.
i don't know