Once in a Lifetime has had 1 concert.

Once in a Lifetime is most often considered to be Electronic, Hardcore, Metalcore, Post-Hardcore, Screamo, Post-Post-Hardcore, and Electronicore.

The last Once in a Lifetime concert was on September 13, 2013 at Vern's in Calgary, Alberta, Canada. The bands that performed were: Once in a Lifetime / Shark Infested Daughters / Ashes of Apollo.