The standouts on this reggae- and hip-hop-flavored soundtrack are not the stars (2Pac and Ini Kamoze) but the up-and-comers: Xscape's lovely ''Work Me Slow,'' Juster's Beastie Boys-like ''Boom Boom Boom,'' and especially Diana King's ''Shy Guy'' a seamless merging of Anita Baker and dancehall reggae. B

