COPYRIGHT SOCIETY OF GHANA v AFREH  Copyright-Musical work-Public performance-Playing of radio cassette in drinking bars-Whether constituting public performance-Act constituting communication of musical work to public-Whether COSGA entitled to surcharge operators (~f drinking bars royalties for playing musical works of members-Copyright Law, 1985 (PNDCL 110), ss 6(1Hc) and 53-Copyright Society of Ghana Regulations 1992 (Ll 1527), reg 4(1)( d)-World Intellec­tual Property Organization (W/PO) Performances and Phonogram. Treaty, art 15