 Mad World  is a song by the British band Tears for Fears, written by Roland Orzabal and sung by bassist Curt Smith.ot that Bath is very mad – I should have called it Bourgeois World! — Roland Orzabal Mad World was the first single off the finished album. The intention was to gain attention from it and we'd hopefully build up a little following. We had no idea that it would become a hit.