Embrace the outdoors today as the U.S. National Whitewater celebrates the seasonal shift with its two-day (Fri., April 15 and Sat., April 16) Spring Festival. During the day, professional canoers/kayakers will compete in the Slalom Team Trials. Then in the evening, there will be live music on the outdoor stage. Fridays performers include Slaid Cleaves and JJ Grey & Mofro, while Blood Kin and Lucero are on the roster for Saturday. $20-$25. Concerts begin at 6 p.m. U.S. National Whitewater Center, 5000 Whitewater Center Parkway. 704-391-3900. www.usnwc.org.