Ignatz answered Wednesday November 7 2007, 5:05 pm: Blue Man Group's "The Complex" has a number of good instrumentals, as does the Cirque du Soleil's body of work. For a changeup, try Charles Mingus' "Goodbye Pork Pie Hat" or Thelonious Monk's "'Round Midnight". (Nothing like hard-bop jazz to get the judges to sit up and pay attention.)
If you like the Branford Marsalis suggestion, track down "Rockit" by Herbie Hancock. That's the seminal turntable-jazz '80s b-boy jam. The video's easily available on YouTube.
For more of a classical feel, try the album "Hush" by Bobby McFerrin and Yo Yo Ma. Some of the tracks have words, but most are vocalized instrumentals.
solidadvice4teens answered Wednesday November 7 2007, 3:28 pm: Try Buckshot LeFonque led by Branford Marsalis (former Tonight show Band leader) or any of his solo work. He combines jazz, R&B and funk for great instrumental pieces.
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