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.
REO Speedwagon / KISS / Quicksilver Messenger Service / Hydra Dec 28, 1974 Indianapolis, Indiana, United States Uploaded by Zimtrim
KISS / TRex / UFO / Hydra Nov 8, 1974 Chicago, Illinois, United States Uploaded by Zimtrim
Lynyrd Skynyrd / Hydra Oct 1, 1974 South Bend, Indiana, United States Uploaded by Zimtrim
Lynyrd Skynyrd / T-Rex / Hydra Sep 29, 1974 Columbus, Ohio, United States Uploaded by Zimtrim
Lynyrd Skynyrd / Elvin Bishop / Hydra Sep 27, 1974 Kansas City, Missouri, United States Uploaded by Zimtrim
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
