 A label typically enters into an exclusive recording contract with an artist to market the artist's recordings in return for royalties on the selling price of the recordings.Contracts may extend over short or long durations, and may or may not refer to specific recordings.Established, successful artists tend to be able to renegotiate their contracts to get terms more favorable to them, but Prince's much-publicized 1994–1996 feud with Warner Bros. Records provides a strong counterexample, as does Roger McGuinn's claim, made in July 2000 before a US Senate committee, that the Byrds never received any of the royalties they had been promised for their biggest hits, "Mr. Tambourine Man" and "Turn!