There are, at least, three bands named Katzenjammer:
These are photos from concerts where Katzenjammer played, so they may be of other bands that played the concert as well.
Cropredy Festival Aug 13 - 15, 2015 Cropredy, England, United Kingdom Uploaded by Mr.Bassman
Joan Baez
Cambridge Folk Festival Jul 30 - Aug 2, 2015 Cambridge, England, United Kingdom Uploaded by Craig Hatfield
Shooglenifty
Joan Armatrading
The Jaywalkers
Skinny Lister
Wilko Johnson
Katzenjammer
Canzoniere Grecanico Salentino
The Skatalites
C C Smugglers
De Temps Altan
Wild Willy Barrett
Passenger (Guinness Tent)
Ben Miller Band