Question: Debra Byrd has worked with which singer-songwriter?
Related documents: [0]  [DOC] Debra Byrd (born in Cleveland, Ohio) is an American vocalist who has worked with Barry Manilow in and after Lady Flash and Bob Dylan, appeared on Broadway, and serves as the head vocal coach for "American Idol" and "Canadian Idol", also singing backup for the contestants. Byrd has helped with vocals on the Hub Television Series "Majors and Minors". [END] 
[1]  [DOC] Barry Manilow (born Barry Alan Pincus; June 17, 1943) is an American singer-songwriter, arranger, musician, and producer with a career that has spanned more than 50 years. His hit recordings include "Mandy", "Can't Smile Without You", and "Copacabana (At the Copa)". [END] 
Answer: 
Barry Manilow
Barry Manilow