"The Legend of Big Bend." Indie classical group Montopolis transforms West Texas tales into songs in this first-ever concert inspired by Big Bend National Park. The performance weaves science, history, poetry and personal stories into music inspired by the land and the people who have walked it. There will also be breathtaking video that captures the epic grandeur of the vast desert wilderness. "The Legend of Big Bend" takes the group, led by Justin Sherburn, back to its roots as an indie chamber orchestra, combining Austin Symphony players with seasoned rock musicians. 8 p.m. July 20. $21. Stateside at the Paramount, 719 Congress Ave. 512-472-5470, austintheatre.org.

Float Fest. The fifth annual music festival is the only fest of its kind, combining the Texas tradition of floating the river with live music. Expect a mix of alternative, rap, indie rock and EDM performers — with the headliners this year of Snoop Dogg, Modest Mouse, Lil Wayne and more. There will be two main stages. There are a range of ticket options, including a $20-$40 tubing ticket that comes bundled with a concert ticket. Camping is also an option. 2 p.m. doors July 21-22. $20-$599. 601 Dupuy Ranch Road, Martindale. floatfest.net.

Austin Eastciders Lemon Ginger Launch Party. Austin Eastciders’ newest series of ciders, Maker’s Stash, launched earlier in July to offer experimental riffs on its traditional-style cider. Taste the first beverage in this series, the Lemon Ginger Cider, at this party featuring limited lemon ginger food pairings from each restaurant at Fareground, Austin’s first food hall. Plus, the evening promises live music and a couple of pop-up shops featuring vintage clothing by Strange Magic and local handmade jewelry by Chasing Indigo. 4 to 8 p.m. July 21. Free with RSVP. Fareground, 111 Congress Ave. do512.com/aeclemongingerlaunchparty.

National Hammock Day Celebration. Yeah, yeah, there’s an arbitrary holiday for just about everything nowadays, but this one just sounds so blissful. Kammok is hosting an afternoon party at its shop with live music, food trucks, beers and more to get us all geared up for National Hammock Day on Sunday. Share stories of past campouts, grab last-minute camping needs and more. 2 to 6 p.m. July 21. Free. Kammok Gear Shop, 1401 E. Seventh St. eventbrite.com/e/national-hammock-day-celebration-tickets-47532953343.

"Austin Shakespeare: Scenes from A Midsummer Night’s Dream." The finale of the Austin Chamber Music Festival features Austin Shakespeare performing scenes from "A Midsummer Night’s Dream" in full period costume and music from Beethoven, Bartok, Ravel, Prokoviev and Mendelssohn. 4:30 p.m. July 22. $12-$55. Bates Recital Hall, University of Texas at Austin. austinchambermusic.org