Norman Greenbaum recalls writing the lyrics for classic track “Spirit in the Sky” in 15 minutes, and says he accepts that it wasn’t a perfect piece of work. The single was first released in the U.S.

‘My label said a four-minute single with lyrics about Jesus would never get played on radio. But, in 1969, the song sold two million copies. It’s now been No 1 in three different decades’ Spirit in ...