There are multiple artists by the name of David Gray, including:
These are photos from concerts where David Gray played, so they may be of other bands that played the concert as well.
David Gray / Five For Fighting Sep 22, 2000 Upper Darby, Pennsylvania, United States Uploaded by Zimtrim
T In The Park 2000 Jul 8 - 9, 2000 Kinross, Scotland, United Kingdom Uploaded by Neil Lumsden
Methods of Mayhem
Glastonbury Festival Jun 23 - 25, 2000 Shepton Mallet, England, United Kingdom Uploaded by Evileye Bri
David Bowie
Glastonbury Festival 2000 Jun 23 - 25, 2000 Shepton Mallet, England, United Kingdom Uploaded by Burraga
The Crazy World of Arthur Brown
Nine Inch Nails