One of the most unique cult bands of the '90s, Soul Coughing anchored a new crop of quirky, unclassifiable bands that emerged in the post-grunge era, including Morphine, the Eels, and Cake. Driven by frontman M. Doughty's stream-of-consciousness poetry, Soul Coughing's sound was a willfully idiosyncratic mix of improvisational jazz grooves, oddball samples, hip-hop, electronics, and noisy experimentalism (described by Doughty as "deep slacker jazz"). Even at the height of the alternative rock era, it was too avant-garde to cross over into the mainstream, keeping one foot plant...