Pink Floyd survivors briefly reunite in London

Pink Floyd members Roger Waters, David Gilmour and Nick Mason -- who haven't performed together publicly since the Live 8 benefit show in 2005 -- briefly reunited during Waters' "The Wall" tour stop Thursday night (5/13) at London's O2 Arena.

Gilmour played during "Comfortably Numb," singing the majority of the song and delivering his landmark solo from atop the prop wall onstage. A YouTube video shot from the audience is embedded below.

Gilmour was back to play on the night's final song, "Outside the Wall," with Mason surprising the crowd by joining in on tambourine. That video is embedded below as well.

Prior to kicking off his "The Wall" tour last year, Waters said that Gilmour had promised he would perform "Comfortably Numb" during one show on the tour.