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. Seventh Key:  The band had two previous drummers, Chet Wynd (2001) and Jamie Thompson (2004), as well as guest appearances by David Ragsdale of Kansas on the violin (2005) and Johnny Greer on the mandolin (2005).
i don't know