"In a Lifetime" is a pop song performed by Irish artists Clannad and Bono. It was written by brothers Pól Brennan and Ciarán Brennan and produced by Steve Nye. The single was released in January 1986, and was the third single to be released from Clannad's eighth studio album "Macalla" (1985). It charted well in many countries including United States, Ireland, UK, Italy and Brazil. It is one of Clannad's most successful songs and it remains as Bono's most successful solo effort.