Danish duo Junior Senior may be difficult to describe, but their message is unmistakably clear: Get on the freaking dance floor. Their debut, "D-D-Don't Don't Stop the Beat," was last year's best party album, brimming with tracks that read like cheerleading chants: "Move Your Feet," "C'Mon," "Dynamite," "Shake Your Coconuts." The toast of pop-culture intelligentsia they ain't, but Jesper "Junior" Mortenson and Jeppe "Senior" Laursen have a knack for making booties bounce.

How do they do it? For starters, they crossbreed genres better than anyone since Beck at his "Odelay" best. Garage-rock riffs, hip-hop beats and sticky-sweet pop all clamor for your attention while a disco/funk thump threads each track into the next. Few artists can mash together the clang of T-Rex, the call-and-response of Run DMC and the pure Shibuya bubblegum of J-Pop, and still create a coherent album, but Jesper and Jeppe pull it off. And brag about it.

When they're not flaunting their gender preferences (scrawny Junior is straight and portly Senior is gay -- a shtick they rely on frequently), they're boasting about their cut-and-paste prowess. And they do possess an uncanny ability to fuse any musical style with another and make it rock -- whether it's Michael Jackson, J.J. Fad or Joey Ramone. With a seven-piece band replacing samplers on tour, live performances are not for the solemn, so if hip-wiggling silliness isn't your thing, stay home and alphabetize your Radiohead bootlegs.