Leon Huff

Producers Kenny Gamble and Leon Huff helped pioneer the sound of Philadelphia soul. Their renowned record label, Philadelphia International, produced the hits "Love Train," "Backstabbers" and "The Love I Lost."

Singer Billy Paul was the voice behind the hit song Me and Mrs. Jones. He died April 24 at the age of 80. The songwriting duo Kenny Gamble and Leon Huff remember writing the song. And we hear the song.

Rock Historian Ed Ward continues his review of "The Philly Sound: Kenny Gamble, Leon Huff & The Story of Brother Love (1966-1976)" (Epic)

Rock historian Ed Ward on the Philadelphia production team of Gamble & Huff.

Rock historian Ed Ward profiles Leon Huff and Kenny Gamble, creators of the Philadelphia International label -- one of the great black pop record labels of the early '70's.