The singer has a repertoire that ranges from soft ballads to tough rock songs to political anthems.
The Drive-By Truckers play from their latest album, A Blessing and a Curse.
Guitarist Ralph Towner was inspired by a wide array of influences, from Bach to Brazil and jazz.
Harper has skillfully combined acoustic folk, blues, funk, soul and rock for more than a decade.
Elvis Costello and Allen Toussaint have come together to write and record a warm, hopeful new album.
Stephen Stills, whether solo or with CSNY, is among rock's most enduring and vital icons.
Bonnie Raitt performs songs from Souls Alike, her 18th album, and chats with callers.
The band uses tap-dancing in place of drumming, but it's far more than the sum of its gimmicks.
ALO's feel-good California vibe and quirky concerts have made it a rising star in jam-band circles.
Gabriela Montero visits NPR's studios, where she combines classical piano with improvisation.