The piano can be seen in the music video for “Imagine,” which features John and his wife, Yoko Ono. Whoever built the piano probably had no idea it would become a sought-after collector’s item.

The Imagine video was filmed at Tittenhurst Park, Lennon’s home at the time, and one in which he'd also installed a separate recording studio. Rather than the white baby grand as shown, Lennon ...

The piano on which John Lennon wrote Imagine has been bought at auction for £1.45m ($2.1m) by George Michael. The singer has said he will keep the piano in the UK, raising hopes it could be returned ...