This is straying off the original point of tech. production. However, does changing the text style really alter the copyright status to create a new version?   

There was in UK 1988 law, some kind of weird protection given to 'databases' as a whole which gave institutions copyright over collections of works, even though the work itself was out of copyright.   I never quite understood the interpretation of this. There are photographic collections where the images are out of copyright, having been previously published - should be considered in the public domain - and yet these are claimed as being 'collection' copyright.

Therefore generally speaking, does a songbook constitute a copyrighted database by the use of its contents, in the same order even if you change the presentation style?