Prior to Nirvana , alternative music was consigned to specialty sections of record stores and major labels considered it to be, at the very most, a tax write-off. After the band's second album, 1991's Nevermind , nothing was ever quite the same, for better and for worse. Nirvana popularized punk, post-punk, and indie rock, unintentionally bringing it into the American mainstream like no other band before it. While its sound was equal parts Black Sabbath (as learned by fellow Washington ...more