It is not unusual for Piazzolla's music to be used in a Dance Video - there were 23 such videos posted on YouTube in January, 2009. Those videos are almost invariably associated with the tango ranging from clumsy amateurs to the theatrical tango shows but an unusual dance video was posted recently. The video features classical ballet movements done to the music of Adios nonino. The music sounds live rather than recorded and is a very nice guitar and violin duet. I am no judge of ballet but they look good to me. It certainly deserves more than the 7 views the video has so far.
The video was posted from Poland. Here it is: