Africa Unite: The Singles Collection is not that different from Legend with which it shares 10 tracks but Africa Unite wins by including four pre-Island recordings not found on that previous collection. Three new cuts, however, are disappointing: Black Eyed Peas frontman will.i.am's remix of Marley's ''Africa Unite'' is too tame, the never-released ''Slogans'' (featuring newly recorded guitar work from Eric Clapton) isn't much of a song, and ''Stand Up Jamrock'' is nothing more than a very average mash-up. Old songs: A New songs: C

