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HYDRO was formed by Mike Oliviero, Cristiano Giancamilli and Claudio Cavina at the very start of 2007 mixing their own likes and skills to play strong and speed technical heavy metal like it should be meant to be.
In September 2007 they recorded the first demo, simply called "promo 2007" in a very professional way.
After some line-up changes, HYDRO is ready to record some new tracks.