A Grammy Award-nominated neo-traditional folk duo from Los Angeles, Kenneth Pattengale and Joey Ryan formed the Milk Carton Kids in early 2011, shelving their solo careers in favor of a collaborative project that focused on harmonized vocals, entwined acoustic guitars, and rootsy songwriting. They released their first two albums -- the live Retrospect and studio LP Prologue -- later in 2011, at which time they also began a pattern of persistent touring. Known on the road for their adversarial, Smothers Brothers-evoking comedic banter as well as their virtuosic guitar skills (P...