"Once in a Lifetime" is a song co-written and recorded by Australian country music artist Keith Urban. It was released in August 2006 as the first single from his 2006 album Love, Pain & the Whole Crazy Thing. Urban wrote this song with John Shanks. On the US Billboard Hot Country Songs chart dated for the week of 2 September 2006, the song entered at No. 17, setting what was then a new record for the highest-debuting song in the history of the modern country music charts. The previous record was held by Eddie Rabbitt's "Every Which Way But Loose" and Garth Brooks' "Good Ride Cowboy", both of which debuted at #18 (in 1979 and 2005, respectively).

Track listing

Australian CD single

Personnel

As listed in liner notes.

Charts

Weekly charts

Year-end charts

Certifications