Well, for "American Idiot" they were on there 4/9/05 but for "21st Century Breakdown" they were on there 5/16/09(which was the season final.)
Never...but Eddie jammed with the SNL band when Valerie guest hosted once.
Ellie Goulding
5000 is standard for a guest host.
James Franco is hosting and Muse is the musical guest.
Christoph Waltz is the host. Alabama Shakes is the musical guest.
Cee Lo Green is obviously alive. He even is the musical guest on SNL 1/15/11.
Justin Bieber was Saturday Night Live's musical guest on 10 April 2010, the 18th Episode of Season 35, and he was both musical guest and host on 9 February 2013, the 13th Episode of Season 38.
Yes. it was an SNL skit with Beyonce as the musical guest and Paul Rudd hosting.
Linkin Park was Saturday Night Live's musical guest on 12 May 2007 (Episode 19 of Season 32) and on 5 February 2011 (Episode 14 of Season 36).
3 times
Host Josh Brolin and musical guest Gotye appeared on SNL on April 14, 2012.
Brittany Spears' most recent appearence on SNL was as musical guest on the 18th of October 2003.