Chorus.fm — *Mastodon (http://myspace.com/mastodon)* have canceled (http://pitchfork.com/news/38909-mastodon-cancel-summer-tour/) their summer tour. Submitted by EvilZeppelin more info

Metal Injection — The last few weeks haven't been the best of times for Mastodon. Guitarist Bill Kelliher was once again hospitalized for pancreatitis and then reports were coming in that fellow guitarist, Brent Hinds seemed distant at shows and continaully storm... more info

Pitchfork — Photo by Michael Alan Goldberg Sorry, Europe. You'll have to wait a little while before you get your faces annihilated by pure blood-gargling metal firepower. Mastodon have canceled a summer European tour because guitarist Bill Kelliher has been di... more info

Brooklyn Vegan — Bill Kelliher @ Outside Lands 2009 (more by Chris Graham) "MASTODON regret to inform their fans that their upcoming Summer tour of Europe originally set to begin June 5, in Germany and ending July 3, in Finland has been cancelled.... more info

Jam! Showbiz Music, Canada — Rockers Mastodon have scrapped their upcoming summer world tour after the group's guitarist Bill Kelliher was diagnosed with pancreatitis. more info

ContactMusic — Rockers MASTODON have scrapped their upcoming summer world tour after the group's guitarist BILL KELLIHER was diagnosed with pancreatitis.The band was due to start its... more info

Pitchfork - Tours — 06-05 Nurburg, Germany - Rock am Ring Festival06-06 Nuremberg, Germany - Rock im Park Festival06-07 Utrecht, Netherlands - Tivoli06-08 Zoetermeer, Netherlands - Boerderij06-10 Oslo, Norway - Norwegian Wood Festival06-11 Solvesborg, Sweden - Swede... more info

Brooklyn Vegan — Tickets go on sale at noon for two February 2011 Lady Gaga shows at MSG. Tickets go on sale at 10am for the Alice in Chains/Mastodon/Deftones show at MSG. Tickets are also now on sale for Pavement, Grizzly Bear, Gayngs... more info

Brooklyn Vegan — Stone Temple Pilots played a show at Gramercy Theatre last night in NYC. Alice in Chains play one in Glens Falls tonight, at Monmouth University tomorrow (5/20), and in Camden with STP on Sunday (tickets are still on sale). In... more info

411 Mania — It's the battle of the Nu-Prog between the Claudio Sanchez Comic Book Soundtrack, Brent Hinds Prog Behemoth and Michael Akerfeldt's Grimdark Folk Parade in this week's 3Ls. more info