Jon Cleary & The Absolute Monster

I do not have sufficient reliable knowledge about an organization named 'Jon Cleary & The Absolute Monster.' It may be an ensemble or performance group, possibly involving the musician Jon Cleary, who is known for his funk and R&B style, influenced by New Orleans music. Jon Cleary is a well-regarded pianist, vocalist, and songwriter, having received critical acclaim and awards like the Grammy Award for Best Regional Roots Music Album. However, without more specific information about the organization in question and its context, I cannot provide detailed information.