She’ll probably always be best known as a neo-soul songstress, but with last year’s tuba-mutilating, larger-than-life synthesized hit “No One,” Alicia Keyes proved that she can do big-beat pop ballads every bit as deftly as the Rihannas and Leona Lewises of the world. The hit-making R&B singer/pianist does a 7:30 p.m. show at the Marcus Amphitheater tonight with Stephen Marley.
