4/2 - Edward Sharpe and the Magnetic Zeroes 6/3 - Grimes 6/9-12 - Bonnaroo 7/12 - Paul McCartney 7/23 - Alabama Shakes and Gary Clark Jr. 9/26 - Glass Animals 9/30 - James Blake 10/2 - The Meadows 10/10 - Adele 10/17 - Big Freedia 10/21 - Sia 10/29 - Boys Noize 11/13 - Nicolas Jaar 11/14 - Ingrid Michaelson 11/19 - Two Door Cinema Club
The Roots made Wise Up Ghost with Elvis Costello. Elvis Costello famously 'sabotaged' the Beastie Boys' SNL performance. The Beastie Boys' "Paul's Boutique" was produced by Rick Rubin. Rick Rubin also produced Metallica's Death Magnetic. Metallica's Kirk Hammett performed in the Bonnaroo 2008 superjam with Les Claypool (and used to sell him pot in high school, apparently). Les Claypool performed on Big in Japan with Tom Waits.
Tyler the Creator is in OFWGKTA with Frank Ocean. Frank Ocean performed on John Mayer's album Paradise Valley. John Mayer has worked with producer Steve Jordan. Steve Jordan played drums on on Bob Dylan's Down in the Groove. Bob Dylan performed with Wilco on the Americanarama tour. Jeff Tweedy, John Stirratt, Glenn Kotche, and Pat Sansone played on The Sun Came Out with Phil Selway and Ed O'Brien.