Collection of rights for music. Copyright collecting societies for music a the Australasian Mechanical Co owners Society Ltd (AMCos) estab- lished by Australian music publishers to collect royalties for most published music where it is dubbed on records (mechanical rights), dubbed on film (synchronisation rights), or kept as a copy after twelve months from broad cast (retention rights); this includes the use of production (mood) music, that prerecorded music specifically written and recorded for dubbing into film or television programs. Australasian Perfo Rights Ltd public performance of music (composition and lyrics, but not the sound recording) authors, composers and publishers; since 1997, have been amalgamated and share the same offices and staff, but they operate separate companies and manage separate rights