Michael Anthony, David Lee Roth, Eddie Van Halen and Alex Van Halen on their tour bus while passing through Lewisham, England on May 27th, 1978.

Van Halen backstage in October 1978.

Eddie Van Halen performs in Chicago on March 4th, 1978.

David Lee Roth and Eddie Van Halen perform at the Rainbow Theatre in Finsbury Park, London on October 22nd, 1978.

Eddie Van Halen performs with Van Halen in 1979.

Michael Anthony, Eddie Van Halen, David Lee Roth and Alex Van Halen of Van Halen backstage in New York in 1981.

David Lee Roth performs with Van Halen in New York in 1982.

Michael Anthony, David Lee Roth, Alex Van Halen and Eddie Van Halen of Van Halen perform during their "Tour Of The World" at Madison Square Garden in New York on March 30th, 1984.

Michael Anthony, Eddie Van Halen, Alex Van Halen and Sammy Hagar of Van Halen in 1985.

Alex and Eddie Van Halen of Van Halen backstage in the early 1990s.

Sammy Hagar, Michael Anthony, Alex Van Halen and Eddie Van Halen attend the 1992 MTV Video Music Awards in Los Angeles on September 9th, 1992.

Sammy Hagar and Michael Anthony perform with the Waboritas in Los Angeles on June 24th, 2002.

Honorees Michael Anthony and Sammy Hagar of Van Halen pose, after accepting the induction on behalf of the entire group, in the press room at the 22nd annual Rock And Roll Hall Of Fame Induction Ceremony at the Waldorf Astoria Hotel in New York City on March 12th, 2007.

Eddie Van Halen performs with Van Halen during their tour opener in Charlotte, North Carolina on September 27th, 2007.

David Lee Roth performs with Van Halen in Las Vegas on April 19th, 2008.

David Lee Roth and Eddie Van Halen shake hands while performing during a Van Halen concert in East Rutherford, New Jersey on May 13th, 2008.

David Lee Roth performs with Van Halen at Cafe Wha? in New York on January 5th, 2012.

Wolfgang Van Halen, David Lee Roth and Eddie Van Halen of Van Halen perform at Cafe Wha? in New York on January 5th, 2012.