Here's what's going on today (Friday, May 4): Full plate: Tall Ships Challenge weekend starts at the Savannah riverfront. The SCAD Sand Arts Festival is building big until 4 p.m. on Tybee's North Beach. No Exit opens at Muse Arts Warehouse. There's a pipe band parade on Congress Street, starting at 6 p.m., in celebration of Saturday's Scottish Games. Country singer Trace Adkins is in the Johnny Mercer Theatre tonight, the Lucas screens the 1963 film Charade, Bitch Please plays Live Wire, and Cusses, Aurora and Triathlon share the bill at No Control. Full plate?