Initial content for SorF Op 35 No 12
Merge branch 'sorf-op35-no12' of https://github.com/glenl/The-Mutopia-Project
Add Mutopia footer
Initial content for SorF Op35 No. 13
Update to LilyPond 2.18 syntax
(Klaus Rettinghaus)
Merge branch 'sorf-op35-no13' of https://github.com/glenl/The-Mutopia-Project
Add Mutopia footer