Neil Sedka

Neil Sedaka born March 13, 1939 is an American pop singer, pianist, composer and record producer. Since his music career began in 1957 as a short-lived founding member of the Tokens, he has sold millions of records as a performer and has written or co-written over 500 songs for himself and others, collaborating mostly with lyricists Howard "Howie" Greenfield and Phil Cody.

https://en.wikipedia.org/wiki/Neil_Sedaka