Music Money Roundup: Lil Wayne, Birdman, EMI and Elvis

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Click for full photo gallery: The World's 25 Highest-Paid Musicians

It's September, which means that those pesky out-of-office email replies are on the wane, and things are starting to happen again behind scenes in the music world. Or are they? With a cloudy economic outlook hanging over the markets, some of the deals expected to start rolling in the fall are moving slower than anticipated.

Meanwhile, the artists themselves haven't slowed down amid the summer heat. Here...