Harry Fox Agency: In 1927, the National Music Publisher’s Association established HFA to act as an information source, clearinghouse and monitoring service for licensing musical copyrights. Since its founding, HFA has provided efficient and convenient services for publishers, licensees, and a broad spectrum of music users. HFA is the foremost mechanical licensing, collections, and distribution agency for U.S. music publishers. HFA licenses the largest percentage of the mechanical and digital uses of music in the United States on CDs, digital services, records, tapes and imported phonorecords See here for music sample clearance