Mavis Staples’ Second Act

Mavis Staples is sitting in the lounge of her tour bus outside the Tower Theater in Philadelphia, telling a story about her current tourmate, Bob Dylan. The other day, Dylan asked Staples to rehearse a duet of "Gonna Change My Way of Thinking," a funky gospel rocker from Slow Train Coming that the pair re-recorded in

This article originally appeared on www.rollingstone.com: Mavis Staples' Second Act