Composed by Neil Diamond and recorded by The Monkees in 1966, “I’m a Believer” hit the number one spot on the US Billboard Hot 100 chart for the week ending December 31, 1966.
It remained there for seven weeks, becoming the last No. 1 hit of 1966 and the biggest selling record for all of 1967.
It is also one of the few singles to have sold more than 10 million physical copies worldwide.