Clayton Mullen's circuitous, somewhat delayed path to country music may make him an outlier of the genre. But he's made up for any lost time: his heartfelt, pop-inflected tunes, including "You Me + Country Song," "Rainin' in Dallas" and "Start At the End," are further bolstering what a tireless touring schedule helped establish with a growing, dedicated fan base.
Indeed, little of Mullen's personal details indicates a natural in Nashville. He was born in California around the turn of the 21st century, moving to Pennsylvania then Massachusetts during his childhood. A self-proc...