Many first caught on to sibling band Infinity Song via pandemic-scrolling through clips of levitating five-part harmonies, Fleetwood Mac’s “Dreams,” absolutely on-point outfits, and, later, viral original “Hater’s Anthem.” Turns out the homeschooled mind-melders had already been performing at Central Park’s Bethesda Fountain for more than a decade, leading to signing with Roc Nation in 2016. After making soft-rock swoon and ABBA/5th Dimension comparisons cool again, the now-foursome released sophomore album Metamorphosis Complete last month. After the Austin stop, the Boyd sibs jump on a few dates supporting Lake Street Dive. – Rachel Rascoe
