?? ? ???? ??? ??? ? ?? ???? ???? ? ???? ? ????? ??? ? ?? ?????? ??. Instrumental minus-1 backing tracks from "flip sides" of commercially released seven-inch vinyl records[fifty five] arrived into practice during the late eighties via the Philippine recording marketplace. The prevalence of B-aspect backing tracks was even further commercialised as

?? ????? ??? ?? ???? ?? ??? ??? ?? ?? ??. ?? ???? ????? ??? ???? ???? ??? ??? ???? ????? ??. ?? ??? ?? ???? ?? ? ????? ????? ??? ???? ?????. ?? ???? ??? ?? ??? ?? ?? ?? ??? ?? ? ??? ??? ????? ??. ??? ??? ??? ?????. ?? ??????? ??? ??? ??? ??? ??? ??? ??? ?? ??? ?? ?? ?? ??? ??? ???? ??? ???? ?? ??? ??? ?????. ?? ????? ?? ??, ? ?? ?? ?? ???? ??