Here's what's going on today (Saturday, May 5): On this Cinco de Mayo, the Tall Ships Challenge weekend continues at the Savannah riverfront. Amy Ray (of the Indigo Girls) plays Live Wire Music Hall tonight with her band. No Exit is onstage tonight at 8 at Muse Arts Warehouse. Catch the Indiana male a capella group Straight No Chaser at the Johnny Mercer Theatre, at 8 p.m. The Royal Noise is back in town to play Congress Street Social Club tonight, on a bill with A Nickel Bag of Funk. And .... the Scottish Games last until 4:30 this afternoon at Bethesda Adacemy.