Ah, the good old days.

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And now, when jazz has split into diffident camps divided over whether the music should gaze back or peer forward, the retrofuturism of "Mingus Ah Um" remains an essential guide for how old and new can be reconciled.

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Ah, another Thrun project that can radically disrupt the old way of doing things.

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"Um, he, ah, " began the other 18-year-old, known as Alleged Victim No. 9.

CNN: June 17, 2012 -- Updated 2034 GMT (0434 HKT)

Ah yes, the graveyard of many an investor: The Old Whipsaw.

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