Paul McCartney

As reported by OK Magazine, the hook-up occurred at the city’s Ambassador Theatre in London during a concert staged by McCartney’s son, James.

Wood accompanied the younger McCartney on guitar throughout the set, while at one point James’ famous Dad surprised everyone by leaping onstage to play piano during one song. After wrapping up his performance cameo, Sir Paul rejoined the audience, which included his daughters, Stella and Mary, and his wife, Nancy.

In other McCartney news, the former Beatle recently announced that a live version of “Maybe I’m Amazed” – originally circulated as a radio promo single in 1976 – will be released on 12-inch vinyl for Record Store Day on April 20.