Music News Net — MUSIC NEWS- Dead & Company, the band that combines three of the surviving “core four” members of the Grateful Dead along with guitarist John Mayer, have added another series of concert dates to their upcoming tour itinerary. Dead band members... ... more info

Mercury News, California — Dead and Company, featuring Bob Weir, Mickey Hart, Bill Kreutzmann and John Mayer, performs at Bill Graham Civic. more info

Brooklyn Vegan — photo: GD50 in Chicago (more by Jay Blakesberg) Grateful Dead members Bob Weir, Mickey Hart & Bill Kreutzmann recently announced two MSG shows as Dead & Company (with John Mayer and more). Those shows both sold out, and now the... more info

Stereogum — As previously reported, Mickey Hart, Bill Kreutzmann, and Bob Weir of the Grateful Dead — in other words, the “core four” minus Phil Lesh — are going on tour with John Mayer. Oteil Burbridge and Dead associate Jeff Chimenti are also coming al... more info

Mercury News, California — Dead and Company's Bob Weir, Mickey Hart and Bill Kreutzmann add Nov. 1 date at Madison Square Garden more info

Mercury News, California — Bob Weir, Mickey Hart, Bill Kreutzmann join John Mayer in Dead and Company. Phil Lesh sitting this one out. more info

MTV.co.uk News — These two are worse than Ross and Rachel! more info

Perez Hilton — This has officially stopped surprising us. Even though Katy Perry and John Mayer were just spotted at a Grateful Dead concert earlier this month, they have apparently decided to breakup. Again. [ Related: Nicki Minaj Responds To Katy Perry Regarding ... more info

Perez Hilton — These two are certainly Hot N Cold! ICYMI: Katy Perry and John Mayer may be heating up again after they were spotted at The Grateful Dead concert in Chicago on Saturday. The two were reported to be cozying up on one another throughout the psychedelic... more info

TMZ — Katy Perry and John Mayer made the crowd roar at the Grateful Dead concert in Chicago Saturday night when cuddled out loud. They announced their split back in March but, as they say, nothing stays the same. more info