Chicago XXXII: Stone of Sisyphus

Chicago XXXII: Stone of Sisyphus is the twenty-first studio album, and thirty-second overall, by Chicago. Often referred to as their "lost" album, it was recorded in 1993 and originally intended to be released as Stone of Sisyphus on March 22, 1994, as their eighteenth studio album and twenty-second total album.

Stephen Thomas Erlewine of AllMusic.com gave it 2.5 stars out of 5, saying "judged alongside Chicago's other albums it's flat-out bizarre". Scott Nowlin of the Deseret News gave three out of four stars, describing it as "well-written, well-produced, and fun to hear". Rick Nowlin of the Pittsburgh Post-Gazette in a 3.5/4 stars review, hailed "a take no prisoners funk groove ... pretty much throughout", and called the album "adventurous".