Andrew Lloyd Webber, who celebrated his 60th birthday March 22, will belatedly mark the occasion publicly Sept. 14 with an all-star gala outdoor concert that will be held in London's Hyde Park. The 6 PM concert is entitled Andrew Lloyd Webber's Birthday in the Park.

Along with Idina, other performers include Steve Balsamo, Duncan James, Lee Mead, Elaine Paige, Rhydian, Joss Stone, Julian Lloyd Webber, Hayley Westenra, stars of BBC One's "I'd Do Anything" and the 100-voice Crouch End Festival Chorus. They will be accompanied by the 70-piece BBC Concert Orchestra. Also, John Barrowman will host the show.

The concert, for which tickets are £25, will close with a fireworks finale. The concert will be recorded and subsequently broadcast on Radio 2's "Friday Night Is Music Night" on Oct. 10.

The evening's repertoire is set to include the following songs: "Jesus Christ Superstar," "I Don't Know How To Love Him," "Another Suitcase in Another Hall," "Don't Cry for Me Argentina," "Memory," "Pie Jesu," "Music of the Night," "All I Ask of You," "Love Changes Everything," "No Matter What," "As If We Never Said Goodbye" and "Any Dream Will Do."