he recording is a binaural recording intended especially for headphone use. It is available in multiple formats on that page, including FLAC. If you want to download the entire concert in FLAC, the easiest way is to use the "Lossless zip" link located on the left side of the page where it says...

this review along with Project86 helped me to decide which custom in ear to buy, I am very happy so far, got my Miracle last Friday!