none.. you can't put an age limit on rap! what part of the game is that?George Clinton still performs and has more energy in his performance then 95% of these new booties...thats like sayin which fine artist is too old to draw? its art dog endless possibilities you can't cap it off! if they can reinvent more power to em and blow the whistle is slapin and short on the vans song his schoolin fuckers! whachumean?