There are at least two artists with the name Howls:
These are photos from concerts where Howls played, so they may be of other bands that played the concert as well.
Glastonbury Festival 2010 Jun 23 - 27, 2010 Shepton Mallet, England, United Kingdom Uploaded by Peter Nieuwkoop
Glastonbury Festival 2010 Jun 23 - 27, 2010 Shepton Mallet, England, United Kingdom Uploaded by Rob Lee
Glastonbury Festival 2010 Jun 23 - 27, 2010 Shepton Mallet, England, United Kingdom Uploaded by Thekilburnoracle