Between Pepper Keenan and Harry Wayne Casey, who has worked with more artists?
Pepper Keenan:  He joined Corrosion of Conformity in 1989, but did not become the lead singer until the recording of "Deliverance" in 1994. Pepper Keenan:  In 1991 he formed Down with Phil Anselmo of Pantera, Jimmy Bower of Eyehategod, and Kirk Windstein and Todd Strange of Crowbar. Harry Wayne Casey: Harry Wayne Casey (born January 31, 1951), better known by his stage name K.C., is an American musician, singer, songwriter and record producer.
i don't know