The Mystery is an album that was released in 2006. The album includes the track "Gameshow Rag/Cannonball Rag" which was nominated for "Best Country Instrumental Performance" at the 49th Annual Grammy Awards. The song won "Instrumental of the Year" at the 2007 Country Music Awards of Australia. In honor of the 20th Anniversary, this special-edition album is remastered and contains a never-released live instrumental of the Louis Armstrong classic “What a Wonderful World.” Tracklist: Catina Senese Gameshow Rag / Cannonball Rag The Mystery Cowboy's Dream Walls Lewis & Clark The Diggers' Waltz Antonella's Birthday And So It Goes That's the Spirit Footprints Keep It Simple What A Wonderful World - Live