Definition & Meaning of "back catalog"in English

What is a "back catalog"?

A back catalog is the collection of past works released by an artist, band, or company. It includes all the albums, singles, and recordings that were previously released and are still available for purchase or streaming. The back catalog serves as a record of an artist's or company's previous output, allowing fans and new listeners to explore their earlier work. It often plays a role in generating ongoing revenue and maintaining the artist's or company's presence in the market.