Neil Sedaka (born March 13, 1939 in Brooklyn, New York) is an American pop singer, pianist, and songwriter often associated with the Brill Building. He teamed up with Howard Greenfield to write hits for himself and others. Sedaka's voice is tenor. "Bad Blood" was a popular song written by Neil Sedaka and Phil Cody. Sedaka's single, on which Elton John sang the backing vocal, reached number one on the Billboard Hot 100 in 1975, remaining in the top position for three weeks.Neil Sedaka (born March 13, 1939 in Brooklyn, New York) is an American pop singer, pianist, and songwriter often associated with the Brill Building. He teamed up with Howard Greenfield to write hits for himself and others. Sedaka's voice is tenor."Bad Blood" was a popular song written by Neil Sedaka and Phil Cody. Sedaka's single, on which Elton John sang the backing vocal, reached number one on the Billboard Hot 100 in 1975, remaining in the top position for three weeks.Neil Sedaka (born March 13, 1939 in Brooklyn, New York) is an American pop singer, pianist, and songwriter often associated with the Brill Building. He teamed up with Howard Greenfield to write hits for himself and.