CONCERT: UB40 featured performers Ali Campbell, left, and Astro answer questions during a press conference in Roy's Lounge at the Hilton Guam Resort & Spa in Tumon on Tuesday. The performers were formally with the band for more than 20 years each. Now, the pair make special appearances on tour dates, and will be performing on Wednesday evening at the Gov. Joseph Flores Memorial Park at Ypao Beach in Tumon. Norman M. Taruc/The Guam Daily Post