Ikirenga Cy’Intore.

Saturday, May 4

It’s Kentucky Derby Day, and Scarborough Downs (Payne Rd.) is the place to be for all the hats and horses. Post time is 2 p.m. Free. 883-4331. scarboroughdowns.com. Tonight at Mayo Street Arts (10 Mayo St., Portland), the eight-member Rwandan drum and dance troupe Ikirenga Cy’Intore performs a high-energy show titled “Burakeye — Time to Get Up!” at 7 p.m. Tix: $15-$22 ($8 students and seniors). 879-4629. mayostreetarts.org.