Mabon refers to at least two artists:
These are photos from concerts where Mabon played, so they may be of other bands that played the concert as well.
Cropredy Festival Aug 12 - 14, 2010 Cropredy, England, United Kingdom Uploaded by Mr.Bassman
Wild Willy Barrett
Cambridge Folk Festival Jul 26 - 29, 2007 Cambridge, England, United Kingdom Uploaded by Craig Hatfield