Nirvana’s Nevermind turns 20 years old on September 21st, and leading up to the big anniversary, Spin has put out a free tribute album with 13 artists performing each of Nevermind‘s 13 tracks in their original order. All its costs you is your email address. Artists include Titus Andronicus, EMA, Surfer Blood, and Nirvana favorites The Vaselines and The Meat Puppets.