Baby On Nirvana's 'Nevermind' Cover Begs Them To Nix Genitalia Pic for 30th

Universal Music is on the verge of commemorating the 30th anniversary of Nirvana's "Nevermind" with several multi-format reissues ... but the grown-up baby on the iconic album cover has one message -- don't use the damn genitalia pic!!! Spencer…