A video featuring Conservative Leader Stephen Harper performing Imagine by John Lennon has been removed from YouTube for copyright reasons.

As of Wednesday morning, the video had been taken down and replaced with the message that said: "This video is no longer available due to a copyright claim by Lenono Music."

Lennon’s widow, Yoko Ono, owns the rights to Imagine through Lenono Music.

Harper performed the song during a campaign stop at the home of Winnipeg’s Maria Aragon during the first week of the campaign.

Aragon, 10, attracted worldwide attention when she uploaded a video of herself singing and playing Lady Gaga’s hit Born This Way. She later performed the song with Lady Gaga at a Toronto concert.

Aragon also sang the song for Harper and his wife, Laureen, when the couple made a campaign stop at her family’s home March 29. She and Harper then performed Imagine.

Thousands of other covers of the song, including a rendition by former U.S. president Bill Clinton, remain on YouTube.