Bill Callahan, the American singer-songwriter also known as Smog, recently delivered a hauntingly memorable Tiny Desk concert at NPR Music. His performance left a lasting impression with songs like "Jim Cain," featuring poignant lyrics like "I used to be darker / Then I got lighter / Then I got dark again." Callahan's musical journey began in the lo-fi genre, creating homemade tape albums on four-track recorders before signing with Drag City. With a career spanning decades, Bill Callahan's music continues to captivate audiences with its introspective and evocative storytelling.