Wila Frank Black Cloud Tone Tree Music   Singer-songwriter Wila Frank’s debut LP Black Cloud defies the expectations of a Music City artist. Like a number of musicians who have moved to Nashville in the wake of the city’s big boom, Frank isn’t a country artist. Countless new transplants survive their early months in town by producing quick audio loops for real money slots and subscription fitness apps. Frank bypassed that freelance circuit, instead directing her energy toward a deeply personal, layered aesthetic. Her work hews closer to indie rock, with fetching quirks that make it distinctive. For instance, there