Neil Sedaka (born March is an American pop/rock singer, pianist, and composer. Since his music career began in he has sold millions of records as an artist and has written or co-written over 500 songs for himself and others. (from Wikipedia)
In Neil Sedaka had his first biggie hit with his song 'Oh!' - Did ya know he wrote the song for his gal pal, Carole Kline (later to become Carole King) - they were song writers together in the Brill Building (NYC). Here's Sedaka singing 'Oh Carol.