Lil Jon is the producer behind two of 2004's biggest hits, Usher's "Yeah!" and Ciara's "Goodies," both of which kept subwoofers booming with the bass-heavy form of Southern hip-hop known as "crunk." But while that sound may make for some booty-shaking singles, its repetitious beats—combined with the shouted vocals—over the course of this disc may leave you with a hangover. Lil Jon, serving as both rapper and producer, and his posse run out of Juice early, before things pick up with guest spots from R. Kelly, Pharrell Williams and Usher, who returns the favor on the slow jam "Lovers and Friends." —C.A.
DOWNLOAD THIS: "Lovers and Friends"