Sammy Hagar reflected on the key to Van Halen's massive success during his years with the rock band. The 75-year-old singer joined guitarist Eddie Van Halen, Eddie's brother and drummer Alex Van Halen and bassist/vocalist Michael Anthony in 1985. At the time, Van Halen, co-founded by the Van Halen brothers in 1974, was already one of the biggest rock bands in the world.
