Watch Spoon, Brandon Flowers, and More Artists Cover John Lennon at 75th Birthday Concert

John Lennon would have celebrated his 75th birthday last month, and to celebrate the late, great Beatle/solo artist, a ton of musicians performed at Madison Square Garden in New York last night for “Imagine: John Lennon 75th Birthday Concert.” Among the guests were Spoon, Brandon Flowers, Chris Stapleton, Eric Church, Aloe Blacc, Peter Frampton, Pat Monahan…