One with higher quality (not the same recording): https://www.youtube.com/watch?v=eakKfY5aHmY https://www.youtube.com/watch?v=eakKfY5aHmY. Youtube also refers t

One with higher quality (not the same recording): https://www.youtube.com/watch?v=eakKfY5aHmY https://www.youtube.com/watch?v=eakKfY5aHmY. Youtube also refers to some other nice recordings from that one. (There's also a video with intermediate quality, and otherwise distracting parts, but amazing formations too: https://www.youtube.com/watch?v=iRNqhi2ka9k https://www.youtube.com/watch?v=iRNqhi2ka9k / http://vimeo.com/31158841 http://vimeo.com/31158841 ) Sadly I haven't found one with (just) original sound (no music).