Country-pop crossover royalty Rascal Flatts will bring its Life Is a Highway Tour to Red Rocks Amphitheatre on Oct. 7, with opener King Calaway. Tickets for the farewell tour, as it’s being sold, are on sale at 10 a.m. Feb. 21. ($39.25-$109.25, axs.com) Having tucked plenty of sold-out runs at Red Rocks Amphitheatre under its belt, STS9 is coming back with a double-headlining run there July 24-25, preceded by a smaller show at Denver’s Summit Music Hall July 23.