@georgem: No site exists like devtome for music, so nobody has earned DVC from it. 
There are not enough admins for a music site.
It's not just that. For art and music in particular, free is not the same as open-source or at least the scale of licensing matters a lot. Open-source means being willing to relinquish the 'source'. Markm wrote about this in the past, that such forms might amount to the core or stepped design process as well as the finished article. So yes that requires people and expertise, but is also requires artists being willing to release the model, layers, components - source. To be able to broadly utilise open-source people have to be ablt to tweak it, change it, adjust it without necessarily going back to the originator. You can't do that with a complied or locked finality without having all the constituent bits that make up the ends. Music and art, musicians and artists, face this challenge. One step at a time... There are not enough admins for a music site.For writing, think about fonts.
We do not care what font is used at display time to display an article, we are free to use any font we choose to use.
Publishers though would prefer we only get a scan of a printout of an article, and font publishers would prefer that it be printed in their font so that anyone trying to "duplicate" or "re-use" the article would have to have a license to use their font.
Instruments in music and vectors or brushes or inks/paints in graphical art are akin to fonts in that way.
To get a free open source Mona Lisa we would need to discover what brushes and paints were used, how, and in what sequence, to produce that painting.
We would then be free to see what the Mona Lisa would have looked like if it were performed using different brushes, different paints, different sequences.
-MarkM-