"Key to Nirvana's 'Nevermind' was the muscular sound of producer Butch Vig, who made sure the record's guitar packed an all-mighty Herculean punch. The Garbage man has since produced the Smashing Pumpkins, Green Day and Sonic Youth, and continued to work closely with Dave Grohl, helping the Foo Fighters grow into world beaters. A true great? You betcha."