Always Look on the Bright Side of Life

"Always Look on the Bright Side of Life" is a comedy song written and performed by Monty Python member Eric Idle. It was first featured in the film Monty Python's Life of Brian (1979) and has gone on to become a common singalong at public events such as football matches as well as funerals.

Source: Wikipedia — Always Look on the Bright Side of Life (CC BY-SA 4.0)