Roscoe: Could I have a statement, please? erectile dysfunction prescription drugs how dosage Michelle Obama invited local students to hear from music "legends and dear, dear friends" Gloria and Emilio Estefan, also Lila Downs, Romeo Santos and Marco Antonio Solis, before the evening's Musica Latina concert, part of the administration's "In Performance at the White House" series. (She also told the students that the Monday night audience would be full of "rich" and "fancy" folks.)