Sammy Hagar (also known as the Red Rocker) is an American singer-songwriter, musician, and entrepreneur. In a career spanning over 40 years. He started his musical career and rose to prominence during the early 1970s as the lead vocalist for the American hard rock band Montrose, Hagar then left Montrose in the mid-1970s and embraced a solo career recording and releasing his debut album Nine on a Ten Scale (1976). Hagar has since then kept a successful solo career smashing a hit in 1984 with "I Can't Drive 55", shortly before joining the American hard rock band Van Halen.