Elie Roux <[email protected]> writes:

> It seems reasonable... there is only one thing that I'm still waiting 
> for, about the licenses. There can be a different license (and 
> copyright) for these three different things:
>
>   * the melody
>   * the transcription in square notation
>   * the gabc file
>
> The only doubt I have is that I'm not sure the second and third can be 
> different (but I think they can). Do you think we should have a license 
> field for all these things? I personally think so...

I think you are right, that there can easily be up to 3 copyrights.

But I am not sure that all of them should be noted in the gabc.
The last, the copyright in the gabc transcription, should be.

But the others relate to the source, rather than the gabc.  This can
be complex and also vary from one jurisdiction to another.  So I
should prefer either (i) omit the source licence(s), and leave the
reader to look at the source, and consult their local laws; or at most
(ii) add one more licence, for use mainly when the transcriber is also
an arranger, and the content of the gabc has some genuine originality.

It seems right that the gabc transcriber should include licence(s)
when (s)he can do so as copyright holder, but not otherwise.  If I
transcribe a melody from, say, the Antiphonale Monasticum (1934), then
I don't want to suggest I am offering a legal indemnification
that it is public domain by describing it so (even though I think it
is, at least in this country).

My proposal would be:

gabc-license [replaces license]

This license is the copyright license of the gabc, as chosen by the
person named in the transcriber field.  It is only a brief
description, such as `public domain', `CC-by-sa'; a separate text file
will be necessary for the complete legal license.

source-license [+]

This license is the copyright license of the source book (or
manuscript) from which the gabc was transcribed.  Like the
gabc-license, it is only a brief description.  In unclear or complex
cases it may be omitted; it is most suitable for use when the
transcriber is the licensor of the source as well.

But I don't feel very confident about these, and I certainly should
follow what you suggest if you thought 3 license fields necessary.

-- 
David Stone

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