It is a common misconception that this song on Sabotage is a radio edit. The word ‘Radio’ in brackets is actually Shortened Cockney Rhyming Slang for ‘Mental’; ‘Radio Rental’—which is a slang term for someone who is insane or stupid.

Although happy with most of the songs on Sabotage, Ozzy Osbourne did not like the responses he got with “Am I Going Insane” or “Supertzar.” Due to Osbourne’s implication that the two tracks, in particular, were distractions on what would otherwise be a perfect album.