On one night, the Derek Trucks Band would jam on mellow Southern blues.

CNN: STORY HIGHLIGHTS

Clapton joined Los Lobos and Robert Cray early on and Warren Haynes and Derek Trucks played an acoustic set and brought out Gregg Allman.

NPR: Richards Joins Clapton At Crossroads Festival

Late in 2006, young guitarist Derek Trucks went into a studio with piano master McCoy Tyner to record "Afro Blue, " so JazzSet opens with an introduction from The Derek Trucks Band with the same song.

NPR: McCoy Tyner in Concert from Yoshi's

That same evening, another concert will be held at the United Nations General Assembly in New York, hosted by UNESCO Director-General Irina Bokova and featuring Richard Bona, Dee Dee Bridgewater, Danilo Perez, Derek Trucks and Susan Tedeschi, Jack DeJohnette, Herbie Hancock, Jimmy Heath, Zakir Hussain, Angelique Kidjo, Lang Lang, Romero Lubambo, Shankar Mahadevan, Wynton Marsalis, Hugh Masekela, Christian McBride, Dianne Reeves, Wayne Shorter, Esperanza Spalding, Hiromi and others.

UNESCO: OFFICE IN DHAKA