Bish Bosch is the fourteenth and final studio album by American singer Scott Walker. It was released on 3 December 2012 on 4AD. Walker described it as the final installment in a trilogy that also includes Tilt (1995) and The Drift (2006). At seventy-three minutes, Bish Bosch is Walker's longest studio album, and contains his longest song, the twenty-one minute, forty-one second "SDSS1416+13B (Zercon, A Flagpole Sitter)".