Mary Halvorson's "Departure of Reason," released on November 15, 2011, under Thirsty Ear Recordings, is a compelling journey into the realms of free jazz and avant-garde. This 53-minute album features ten tracks, each showcasing Halvorson's innovative approach to jazz guitar and composition. From the intriguing opener "That Other Thing" to the provocative closer "Why Should You Surrender?", the album is a testament to Halvorson's ability to blend technical prowess with creative experimentation. Tracks like "Hyphen" and "Onslaught" highlight her dynamic range, while "Ruth Romain" and "Ruin" offer moments of introspection. "Departure of Reason" is a captivating exploration of sound and structure, making it a standout release in the world of contemporary jazz.