Complex sentence: Although some say that several copies of the DVD had been salvaged, the contents has not been released to the general public, and as of today, the only known DVD footage is a short fragment of the entire show on Fischer Media's official website.
Split into simpler sentences: Although some say that several copies of the DVD had been salvaged, the contents of it have not been released to the general public. As of today, the only known DVD footage is a short fragment of the entire show on Fischer Media's official website.