SLP2002060701- MARYLAND HEIGHTS, Mo., June 7 (UPI) -- Rocker Sammy Hagar gets ready for his concert backstage at the UMB Bank Pavilion in Maryland Heights, Mo., on June 7, 2002. Opening for Hagar is singer David Lee Roth, another former front man for the band Van Halen. rlw/bg/Bill Greenblatt UPI