Wait! Could Ke$ha be growing up? Her new single, "Die Young" (RCA), sounds

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surprisingly, um, regular -- no exaggerated rhymes or extraneous references to

drunkenness. The introduction to her upcoming "Warrior" album is remarkably proper dance pop, a smooth, synth-heavy ride from beginning to end, minus the edges that made "Tik Tok" or "Blow" so distinctive. The result is nice, if a bit bland. Who knew that could be a Ke$ha problem?