The singer Gregory Porter's music is usually classified as jazz, but his soulful voice fits in Jason King's wide-ranging playlist of protest music. Shawn Peters/Courtesy of the artist hide caption

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The O'Jays in an undated photo. The Canton, Ohio, group also associated with Philadelphia is well represented in this stream: from "Love Train" to "When the World's at Peace" to "Back Stabbers." Michael Ochs Archives/Getty Images hide caption

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Hiatus Kaiyote. Courtesy of the artist hide caption

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Prince, seen here speaking during the Grammys, will perform May 9 in Baltimore. Kevork Djansezian/Getty Images hide caption

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On The Word's new album, Soul Food, the group tackles traditional gospel grooves and seriously funky backbeats. Jay Adkins/Courtesy of the artist hide caption

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Music

For The Word, Gospel Is More About A Feeling

The mostly instrumental supergroup's second album, Soul Food, is a rousing, thoroughly modern take on gospel.

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The 71-year-old soul-singer Jerry Lawson had spent three months in a hospital due to an infected esophagus, and when got out, he wasn't sure how his voice would sound. Courtesy of the artist hide caption

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