On Dec. 10, 2007 surviving members Robert Plant, John Paul Jones & Jimmy Page of this band reunited in London
Celebration Day is a concert film by the English rock band Led Zeppelin, 
recorded at the Ahmet Ertegun Tribute Concert on 10 December 2007, in 
London's O2 ... Bassist John Paul Jones agreed that he would like to see it 
released... [DOC] [TLE] Ahmet Ertegun Tribute Concert (2007) - Wikipedia [PAR] The Ahmet Ertegun Tribute Concert was a benefit concert held in memory of 
music executive Ahmet Ertegn at the O2 Arena in London on December 10, 
2007.