Which group plays at more well-known festivals, Cowboy Junkies or Matt and Kim?
Cowboy Junkies: Cowboy Junkies are a Canadian alternative country/blues/folk rock band. Matt and Kim:  Although they started their career playing shows in lofts and other close-quarters venues, they have since performed at numerous festivals, including Bonnaroo, Coachella, and the Firefly Music Festival.
i don't know