Ring in 2018 and San Antonio’s tricentennial with a blowout party at Hemisfair. Headlining acts include Pat Benetar and REO Speedwagon. The night will also include performances by The Last Bandoleros, the Tex-Mex-meets-Brit-pop-meets-country-rock up-and-comers that include three SA natives; Bidi Bidi Banda, the local Selena tribute band; Grammy winners for Best Tejano, Little Joe Y La Familia; and Austin-based country singer-songwriter Sam Riggs. There will also be games and pop-up performances in Yanaguana Garden, art installations, lots of food and a fireworks show choreographed to music to end the night. Those attending are encouraged to use VIA’s park-and-ride options. Dec. 31, 4 p.m.-midnight. Hemisfair, 434 S. Alamo St., sananotnio300.org