https://events.slcpl.org/event/10856797 Live, local music under the evening sky! The City Library Summer Concert Series will keep you rockin' with free outdoor concerts in all kinds of genres. ABOUT THE ARTIST: Twin Systems is a 3-piece Rock trio hailing from Lehi, UT. They specialize in melodic rock riffs and lyrical twists that can move the listener anywhere from a thoughtful sway to a heart-thumping headbang. New to the scene, Twin Systems is ready to come out of hiding to prove they can run with the big dogs and showcase their 8 years of rehearsing together.