Alan Cumming, an actor also known for presenting the US Traitors, said people had been "let down by decisions made to both broadcast slurs and censor free speech", and congratulated artists "whose work was overshadowed by the night's events".
Sinners was the big winner of the night, with Michael B Jordan beating Timothee Chalamet to the best actor prize. The shock win means this year's Oscar race could be a nailbiter.
Sedaka was a key member of the Brill Building songwriting factory and teamed up with lyricist and boyhood neighbour Howard Greenfield on songs such as Happy Birthday Sweet Sixteen, Calendar Girl and Oh! Carol.