Guitar Center is an American music retailer chain. It is the largest company of its kind with 269 locations in the United States. Its headquarters is in Westlake Village, California. Guitar Center oversees various subsidiaries including Music & Arts, GuitarCenter.com, LMI, Giardinelli, Musician.com, Private Reserve Guitars, Woodwind and Brasswind, Music 123, and used to own Harmony Central until its April 2015 sale to Gibson.