Sept. 20: Following Pearl Jam 's Labor Day weekend concert in East Troy, Wis., the band's ongoing 20th-anniversary celebration continues with the release of the Cameron Crowe-directed documentary "Pearl Jam Twenty." The film, which premiered at the Toronto International Film Festival and marries archival footage with recent interviews, will show in select theaters for one night only, before receiving a limited one-week run starting Sept. 23. An accompanying soundtrack, featuring songs selected by Crowe (who also directed 1992's Seattle-set film "Singles"), will arrive the same day through Columbia Records/Sony Music Entertainment.
Sept. 20: Seattle acts including the Fastbacks , Vaporland, the Long Winters and Nirvana 's Krist Novoselic will perform Nevermind in its entirety at Experience Music Project's Skychurch in Seattle. Proceeds from the show will benefit Seattle music fixture Susie Tennant, who was recently diagnosed with cancer.
Sept. 23 - 28: SiriusXM's Lithium channel converts to Nevermind Radio-a weeklong block of programming showcasing music from Nirvana and commentary from special guests on the band's influence.
Sept. 24: Novoselic and Nirvana drummer Dave Grohl will discuss Nevermind with producer Butch Vig and "Daily Show" host Jon Stewart in front of a live studio audience on SiriusXM's Lithium at 8 p.m. ET.
Sept. 27: The 20th-anniversary rerelease of Nevermind arrives on Universal Music Enterprises in formats ranging from a standard digital/CD remastered version of the original album to a four-CD/one-DVD super deluxe edition with demos, B-sides, unreleased BBC recordings and a concert DVD. A two-CD deluxe edition and a four-LP 180-gram vinyl edition will be available as well.
Oct. 11: Come As You Are: A 20th Anniversary Tribute to Nirvana's Nevermind will be released on Reimagine Music with distribution by Spindle/RED. It features covers of Nevermind's songs by such bands as Finger Eleven , Hawthorne Heights , Story of the Year  and Maps & Atlases .
- Live