The posse album has recently become an integral (albeit rubbish) part of the superstar rapperโs schtick. The idea is that having struck gold alone, the rap star then ropes in his mates for an album to quickly reflect some glory their way, too. G Unit is 50 Centโs three-man posse, and Beg For Mercyโs their follow-up to 50โs magnificent recent debut, Get Rich Or Die Tryinโ. It isโฆnot as good. Get Richโฆstarred a desperate talent with axes to grind, unveiling sleek, menacing street-funk produced by Dr Dre and Eminem. Beg For Mercy features just a couple of autopilot Dre productions, and is otherwise a pale retread of Get Richโฆfashioned by lesser talents. Success, too, has quickly dulled 50โs urgent wit, and he coasts through the affair, happy simply to join in with Lloyd Banksโ and Young Buckโs clich