Via The Athanasius Kircher Society.
Greg Kennedy, the Innovative Juggler, performs nifty juggling tricks with unusual props and setups. Google Video has Juggling in an Inverted Cone, plus a few short clips from his stage performances, including the very cool Boxes. Many more on YouTube.
A very flexible gymnast.
Via Look At This....
Crazy Bike is a sort of acrobatic performance of ballet-on-a-bicycle, stunning talent displayed on the modest stage of a high-school gym.
Quebec performer Michel Lauzière uses a variety of unorthodox instrumentation to perform familiar tunes. In the first video, he plays Mozart's Symphony No. 40 with wine bottles, on rollerblades. In the second, he performs a selection of tunes in a bike-horn jumpsuit, and the third is a series of clips of his other performances, including some wineglass music and non-musical antics with some kind of strange yellow balloon.
Via A Sweet, Familiar Dissonance.