"Selling out" is a common expression for the compromising of a person's integrity, morality, authenticity, or principles in exchange for personal gain, such as money. In terms of music or art, selling out is associated with attempts to tailor material to a mainstream or commercial audience. For example, a musician who alters his material to encompass a wider audience, and in turn generates greater revenue, may be labeled by fans who pre-date the change as a "sellout". "Sellout" also refers to someone who gives up, or disregards someone or something for some other thing or person. "Sold out" in the past tense.