Possible Clues:

• Be a b-boy or b-girl, say
• Perform acrobatically to music
• Head-spinning routine, and a hint to this puzzle's theme
• Do a headspin, say, or what four of this puzzle's black squares do?
• Bend and creak awkwardly around area in jerky movement
• Routine with toprocks and freezes
• Emulate a 'Beat Street' performer