O'Neal recorded a verse that was added on to the already-recorded "What's up, Doc?" with the group and O'Neal saying "What's up, doc?" to replace the Bugs Bunny sample.
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The group recorded a fast-paced song called "What's up, Doc?" which featured a sample of Bugs Bunny saying his famous catchphrase.
Various influential comedy hip hop groups began in the early 1990s, such as Das EFX and Fu-Schnickens, and throughout the late 1990s and 2000s, rappers like Eamon, Hopsin, Eminem, Jon Lajoie, and The Lonely Island gained popularity.