One of the responses to my earlier post about the MusOpen symphony recording project mentioned a project I had overlooked: the Open Goldberg project has created new public domain scores for the Bach's "Goldberg Variations" using the MuseScore free software musical notation software and is commissioning a studio recording of piano soloist Kimiko Ishizaka performing the pieces, also for public domain release (with
Classical music itself, by virtue of being old, is mostly public domain, but recordings of performances are usually under copyright, and not many are available for use in free culture works. An emerging new resource, aiming to resolve this problem is MusOpen -- a repository of public domain recordings of public domain music, available in Ogg Vorbis and FLAC formats.
From http://bear454.blogspot.com :
Jimmac announced today on the Tango Mailing List that thanks to about a bazillion requests and the negotiation skills of Michael Meeks, the Tango Icon Library will be changing licenses from CCASA2.5 to Public Domain. Yes, folks, free as in free. Put those beautiful icons in any app you want; they're yours...
It used to be that you could safely assume a work was public domain unless there was a highly visible warning printed on it, containing both the copyright owner and the date of copyright (at least in the USA). This system also ensured that, when the work's copyright expired, you could tell from any copy that this was so—by simply adding the duration of copyright to the date printed in the work's copyright notice. The Berne Convention, however, changed all that by replacing the assumption of freedom with the assumption of monopoly, and it now takes extensive research to be sure a work is public domain.
The Creative Commons' new CC-Zero initiative, instigated largely as an adjunct to the Science Commons' "Protocol for Implementing Open Access Data" is designed to make things easier.