This is a new sound composite, produced by C. E. Price, of news footage of the Hindenburg explosion and Herb Morrison's reporting of the event. Both video and audio are in the public domain, as well as this particular composite. Other composites, similar to this one, could be in copyright. This one is free and clear to do with what you wish. The entire film can be downloaded at: http://www.archive.org/details/hindenberg_explodes