Concert film 'Mavis Staples: I'll Take You There' features tributes from Bonnie Raitt, Jeff Tweedy, Win Butler and more
Music documentaries 'Hip-Hop Evolution' and 'Mavis!' are also recipients
All-star performance of "Slippery People" from 2014 concert highlights Staples' upcoming CD/DVD set 'I'll Take You There'
"Let Me Out" will appear on group's upcoming LP, 'Humanz'
Jeff Tweedy, Gregg Allman, Bonnie Raitt join all-star performance from upcoming concert special
Michael McDonald, Jackson Browne, Aaron Neville also set for New York City event
Blistering dance floor rallying cry marks indie rock outfit's first new song since 'Reflektor'
Singers perform medley of classics, including "We Shall Not Be Moved," "Respect Yourself" and "I'll Take You There"
Stephen Colbert hosted event honoring Mavis Staples, James Taylor, Al Pacino, pianist Martha Argerich
Singer reveals plans to record with Dylan next year, shares backstage memories
Nick Offerman and Megan Mullally to host 2016 ceremony honoring B.B. King, Bonnie Raitt and Kris Kristofferson
"Hopefully he won't hide from me," veteran singer says. "I want to cook him dinner"
Mavis Staples, Ellie Goulding, Jack Ü and more remember music icon at launch of festival's second weekend
Soul legend also talks opening for Martin Luther King, Jr., transitioning from gospel to soul, new album 'Livin' On a High Note'
The singer belts out anthems for a new civil-rights crossroads