 Seacrest out. 1972, Neil Diamond went to number one, Song Sung Blue. Diamond spent his early career as a songwriter. He did. He wrote the 1966 Monkees hit, I'm a Believer. Diamond's had three number one hits, 13 top tens, 53 songs that have made the Billboard Hot 100 charts, and so many of those songs, we know the words to and can sing along with him.