The sketch aired on Saturday Night Live in 2000, with Christopher Walken playing fictional producer Bruce Dickinson and Will Ferrell as Gene Frenkle, the enthusiastic cowbell player for Blue Oyster Cult. While the band records (Don't Fear) The Reaper, Dickinson repeatedly stops the take to demand more cowbell, turning a background percussion part into the star. The line was quoted widely online, on T-shirts and in music discussions, and became shorthand for wanting more of something excessive, unnecessary yet oddly essential.