Stephane Dalle teaches the intermediate level of Boris Kniaseff's style of ballet floor barre technique that he believes to be the only true floor method.
Not sure if the DVD is defective or if it's the nature of the program, the music is loud and the instruction volume is very low, you have to watch 100% of the time to know what's going on (which is difficult to do if you're lying on your back looking up for a specific move).