Just got an interesting call from a friend of mine. He is a concert organist who has made quite a living over the years playing live performances accompanying the silent film The Phantom of the Opera - the Lon Chaney version. When he started, years and years ago, they would use film projectors.
Nowadays, of course, they use DVDs. He has a performance coming up next week, but has never owned his own copy of a DVD. But the concert organizers apprently have a different version of the film. Come to find out, there are many, many versions of the film out there now. The version my friend worked up his accompaniment to is 79 minutes, but there is also a 93 minute version and a 107 minute version.
Who knew it could get so complicated? I told my friend that he should really find and procure his own personal copy of the correct version for the future, just in case.