Unwilling to Explain is the fourth album by American improvisational band Unknown Instructors,[3] featuring Mike Watt (The Minutemen, fIREHOSE),[3] George Hurley (Minutemen, fIREHOSE),[3] J Mascis (Dinosaur Jr.),[3] and Dan McGuire.

[3] It was the first Unknown Instructors album that wasn't improvised[4][5] and the first to feature Mascis on guitar instead of Baiza.

[7] David Arnson of Music Connection called it "truly interesting" but warned "Your mileage may vary on the Tom Waits- and Bukowski-influenced bop narration.

"[8] Razorcake's Michael T. Fournier praised it saying it "hangs together better than any of the group’s other records I’ve heard.

"[7] Mark Hughson of Jersey Beat said "If you’re into on-the-fly jazz rock you’ll be hard pressed to find better indie star power.