Watch: Ed Sheeran rehearses 'Vincent' with Don McLean ahead of live charity show duet performance
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Folk rock legend Don McLean recently shared a video clip on Twitter of Ed Sheeran singing a stunning rendition of his haunting ballad “Vincent” during a rehearsal prior to their live duet performance. In the clip (attached below) McLean watches the British native superstar intently and hums intermittently and taps his foot, while Sheeran strums the melody and sings, before eventually joining in to harmonize on the chorus.

The “American Pie” singer praised Sheeran calling him “a quick study” in the caption for the post. The famous pair were part of a superstar lineup which also included Van Morrison and Roger Daltrey, for a private concert in the Los Angeles area to benefit UCLA Health and Teen Cancer America, a national charity which was founded by Daltrey and his The Who bandmate, Pete Townshend. Per the latter organization’s website, “One young person is diagnosed with cancer every hour.” TCA partners with hospitals nationwide to develop programs and services to help teens and young adults who are battling cancer.

Related — 5 best Ed Sheeran music videos

Sheeran, who is known for penning his own chart-busting ballads like “Thinking Out Loud” and “Perfect,” floats through “Vincent’s” poignant lines as if it were his own song. In a video segment for VH1 Storytellers (embedded above), the Grammy-winning singer-songwriter describes "Vincent" as "one of the most beautifully written songs." The 1972 hit topped the charts in the U.K. and peaked at No. 12 on the Billboard Hot 100 in the U.S. In a video of the Los Angeles-based charity event captured by @wesanichols on Instagram, when Sheeran and McLean take the stage post-rehearsal to perform a live duet of the song, both artists play guitar.

The breathtaking musical tribute to Vincent Van Gogh is one of many amazing covers Sheeran has performed. Other standouts include his surprise guest appearance at a Shawn Mendes concert last year in which they sang the Canadian native’s hit song “Mercy,” a beautiful duet with James Blunt of Elton John’s song “Sacrifice,” a cover of Nina Simone’s timeless song “Feeling Good” at a show in Australia, a sizzling rendition of “Touch” by Little Mix for the BBC Live Lounge and many more.

A press release for the invitation-only fundraiser revealed director-actor Judd Apatow was the Master of Ceremony for the evening while comedian and “America’s Got Talent” judge Howie Mandel served as auctioneer for an auction filled with rare items of musical memorabilia, including a guitar donated by The Buddy Holly Educational Foundation which was handcrafted and signed by 75 of the biggest musicians in music history including Paul McCartney, Brian Wilson, Eric Clapton, Robert Plant, Brian May, Keith Richards and more.

Watch Ed Sheeran and Don McLean rehearse “Vincent” below and stay tuned to AXS for Ed Sheeran updates.