The Last Gasp of A Cappella Singing.

In an interview recorded onstage, Amir Questlove Thompson the cofounder and drummer of the Roots, the houseband for The Tonight Show talks with Terry Gross about music, his father doo wop singer Lee Andrews who died last month, and about Prince.

Street Corner Symphonies is a 15-volume year-by-year survey of doo-wop by scholar Bill Dahl.

Singer Songwriter Dion. Hes just released a new record of doo-wop tunes Deja Nu (Collectables 2000). In the late 1950s, Dion and his band the Belmonts topped the chart with several pop hits, earning him the status of Teen idol. Dion split amicably with the band in 1960 and continued to write Top 10 hits until the British Invasion changed the pop preference. Now, in his 50s, he continues to produce, write and sing new material. He lives in Boca Raton, Florida.