John Herndon Mercer was an American lyricist, songwriter, and singer, as well as a record label executive who co-founded Capitol Records with music industry businessmen Buddy DeSylva and Glenn E. Wallichs.

Capitol Records, LLC is an American record label owned by Universal Music Group through its Capitol Music Group imprint. It was founded as the first West Coast-based record label of note in the United States in 1942 by Johnny Mercer, Buddy DeSylva, and Glenn E. Wallichs. Capitol was acquired by British music conglomerate EMI as its North American subsidiary in 1955. EMI was acquired by Universal Music Group in 2012, and was merged with the company a year later, making Capitol and the Capitol Music Group both distributed by UMG. The label's circular headquarters building is a recognized landmark of Hollywood, California.