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. Harry Wayne Casey:  He is best known for his band, K.C. and the Sunshine Band, and as a producer of several hits for other artists.
i don't know