There are various bands and musicians called Hydra.
These are photos from concerts where Hydra played, so they may be of other bands that played the concert as well.
Lynyrd Skynyrd / REO Speedwagon / Hydra Sep 20, 1974 Atlanta, Georgia, United States Uploaded by Zimtrim
Lynyrd Skynyrd / James Cotton Band / Hydra Sep 6, 1974 New York, New York, United States Uploaded by Zimtrim
Lynyrd Skynyrd / Wet Willie / Hydra Mar 3, 1974 Memphis, Tennessee, United States Uploaded by Zimtrim
Blue Oyster Cult / Nazareth / Hydra Sep 23, 1973 Jonesboro, Georgia, United States Uploaded by Zimtrim
Blue Oyster Cult / Spirit / Hydra Jun 18, 1972 Memphis, Tennessee, United States Uploaded by Zimtrim
Mountain / Hydra / Procul Harum Apr 29, 1971 Atlanta, Georgia, United States Uploaded by Zimtrim
