In 1985, the shock of David Lee Roth‘s announcement that he was leaving the lead singer slot of America’s most popular band, Van Halen, was equaled (but not eclipsed, interestingly) by the band’s announcement that multi-platinum rocker Sammy Hagar had agreed to fill the role. How did that musical merger happen? Why did Hagar, already a platinum-selling solo artist, even consider it? What were the risks/rewards for both? Find out In The Studio  in my classic rock interview about 5150   with Eddie Van Halen, Alex Van Halen, original bass player/backing singer Michael Anthony, and the Red Rocker himself for their bold multi-million seller. –Redbeard