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.
Nightwish / Lullacry / Hydra Aug 23, 2004 Lakewood, Ohio, United States Uploaded by Bobnoxious23
Aerosmith / Les Variations / Hydra Sep 10, 1975 Buffalo, New York, United States Uploaded by Suraci
Grand Funk Railroad / Hydra Feb 13, 1975 Hampton, Virginia, United States Uploaded by Zimtrim
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
