John Mayer jammed with Dead & Company at the lively event hosted by Andy Cohen that also included performances from Wynonna Judd, Norah Jones, Sammy Hagar, Vampire Weekend, My Morning Jacket and more.

As guests munched rainbow grilled cheese sandwiches, host Andy Cohen roamed the well-heeled crowd looking for celebrities to chat up on camera; at one point he buttonholed his old friend John Mayer, ...

whom he asked to name the horniest Grateful Dead song. (“Looks Like Rain,” which imagines “the sound of street cats making love,” was Mayer’s answer.) Ahead of Sunday’s 67th Grammys ...

Speaking of which, asked earlier in the night by host Andy Cohen which Grateful Dead song is horniest, Mayer suggested “Looks Like Rain,” a Weir-penned ballad with the questionable lyric ...

Hours after the death of Phil Lesh, Phish opened the first night of their fall tour with a poignant rendition of "Box of Rain ...