Musician and Composer Mark Knopfler.

Singer, songwriter and guitarist Mark Knopfler (NOFFler). He's the guiding force behind the British band, Dire Straits. He's recently joined an informal group of musicians, The Notting Hillbillies. Their new album, "Missing...Presumed Having a Good Time," blends rock 'n' roll, blues, gospel, jazz-boogie and country & western. Knopfler has also written soundtracks for "Local Hero," "Cal," "Comfort and Joy," and "The Princess Bride."

After her husband's death in 1979, Sue Graham Mingus worked to keep his legacy alive, forming a repertory ensemble devoted to playing his compositions. She died Sept. 24. Originally broadcast in 2002.

Williams was a dazzling player and a favorite at Fresh Air. She died March 10 at 73. We'll listen back to her 1997 performance and interview.