Pop duo Why Mona have a unique place in the pre-history of a new era of music. Their unusual electronic covers of generational pop songs -- including the Spice Girls' "Wannabe," Queen's "We Will Rock You," Britney Spears' "Oops!...I Did It Again," and the Turtles' "Happy Together" -- helped serve as a trial balloon for a new kind of viral earworm: those emerging from the algorithms of short-form social media video apps in the late 2010s. Lil Nas X may have proved such apps could generate genuine hits with the unprecedented success of "Old Town Road" in 2019, but Why Mona's son...