EXHIBIT 21.1 STATE OR OTHER JURISDICTION OF SUBSIDIARIES OF INCORPORATION OR MUZAK HOLDINGS LLC ORGANIZATION ------------------ ------------------------------ Muzak LLC Delaware Business Sound, Inc. Ohio Muzak Finance Corp. Delaware Muzak Capital Corporation Delaware MLP Environmental Music, LLC Washington Electro-Systems Corporation Florida Muzak Heart & Soul Foundation Washington Muzak Holdings Finance Corp. Delaware STATE OR OTHER JURISDICTION OF INCORPORATION OR SUBSIDIARIES OF MUZAK LLC ORGANIZATION ------------------------- ------------------------------ See Above STATE OR OTHER JURISDICTION OF INCORPORATION OR SUBSIDIARIES OF MUZAK FINANCE CORP. ORGANIZATION - ----------------------------------- ------------------------------ None. STATE OR OTHER JURISDICTION OF SUBSIDIARIES OF INCORPORATION OR MUZAK CAPITAL CORPORATION ORGANIZATION ------------------------- --------------------------- None. STATE OR OTHER JURISDICTION OF SUBSIDIARIES OF INCORPORATION OR MLP ENVIRONMENTAL MUSIC, LLC ORGANIZATION ---------------------------- ------------------------------ None. STATE OR OTHER JURISDICTION OF INCORPORATION OR SUBSIDIARIES OF BUSINESS SOUND, INC. ORGANIZATION - ------------------------------------ ------------------------------ None.