Nas

Nas shares his passion for rapping, thoughts on retirement, and the inspiration behind his 10th album cover. (03:48)

Gregg Allman

Gregg Allman of the Allman Brothers Band talks about fame, military school and the band's first flight on his Boeing 720, in his memoir, "My Cross to Bear." (06:21)

Regina Spektor

Singer-songwriter Regina Spektor explains her appreciation for her childhood immigration experience and her love of Russian culture. (04:55)

Jack White

Jack White introduces his first solo album, "Blunderbuss," and recalls making a record with Stephen. (06:40)

Bonnie Raitt

Award-winning American singer Bonnie Raitt talks about environmental activism and her popular track "Angel from Montgomery." (04:36)

Andrew Bird

Andrew Bird explains the inspiration for "Eyeoneye" and learns of sad associations with his "The Mysterious Production of Eggs" album. (03:23)

Bjork

Bjork shows off her "Biophilia" album iPad app and explains what inspired her interactive multimedia collection. (05:21)

Toby Keith

Country music star Toby Keith takes on globalization and helps Stephen get the "ho"s out of America. (04:42)

Cee Lo Green

Cee Lo Green's "F**k You" is so infectious that Stephen feels like he needs to go on a course of Zithromax after he listens to it. (03:55)