Mario Lopez has been a DJ since 1989. His style is Trance, Progressive, Techno, Electro, and Hardtrance. He is currently Resident DJ in the disco "Inkognito" in Celle.

In 1997 he also started producing, then created many songs like "The Sound of Nature", "Into My Brain", "Free Your Mind", "Always and Forever" which were very successful in many countries of the world.

"Gotta Be Free" is collocation between Mario Lopez and Pit Bailay. That will get your feet moving the moment you hear it.