"Big Whiskey and the GrooGrux King" is the fifth studio album by the American rock band Dave Matthews Band, released on June 2, 2009. The album features a blend of rock, jazz, and folk influences, showcasing the band's signature sound. It was produced by Rob Cavallo and includes tracks that reflect themes of love, loss, and celebration. The title refers to the nickname of the band's late saxophonist, LeRoi Moore, who passed away in 2008. The album received positive reviews and debuted at number one on the Billboard 200 chart, highlighting the band's enduring popularity and musical evolution.