Debra Byrd, iconic vocal coach for American Idol and The Voice , as well as a longtime backup singer for Barry Manilow, has died. She was 72. According to Deadline , Byrd worked with several Grammy award winners, actors, musicians and Broadway legends, some of those being Jennifer Hudson, Bob Dylan, Fantasia, Kelly Clarkson and many more. Byrd went to Kent State University and later studied at the Karamu House and Dobama theaters in the Cleveland area. She performed with Barry Manilow for many years as part of the singer’s featured backup group, Ladyflash. The group put out their own track in 1976, “Street Singin,'” which was written and arranged by Manilow. The song made it to #27 on the Billboard Hot 100 record chart. “This is one of the saddest days of my life. I just can’t wrap my mind around the fact that Debra is no longer with me. She was one of the most wonderful friends I’ve ever had. I will miss you forever, my love,” Manilow posted on Wednesday on Instagram .   American...