Hydra is an American southern rock band, formed in the late 1960s, known for their bluesy and hard rock sound. The band's line-up most notably included vocalist Wayne Bruce and guitarist Spencer Kirkpatrick. Though never achieving massive commercial success, Hydra's influence is notable, particularly their 1974 album "Land of Money," which showcased their distinctive blend of melodic hard rock and southern blues. Despite their limited mainstream recognition, Hydra's contribution to the southern rock genre is significant.