Hi, There used to be a WIP book on Scheme in LilyPond by Urs at https://scheme-book.ursliska.de/introduction/index.html This link appears to be dead now. The sources are still available on the repository at https://github.com/uliska/lilyponds-scheme so I've hastily forked this and made the build result available through Read the Docs:
https://scheme-book.readthedocs.io/en/latest/ If you had bookmarked this book, save this new URL. My goal was to make this valuable content available again on the short term. On the long term, I don't know if I'll edit it; I'll probably rather make updates to my own Scheme tutorial (https://scheme-tutorial.readthedocs.io), which also has a French version. Mine is quite more concise though. I don't know if that's a good thing or if I should make it more verbose and slow-paced. If you have thoughts on the best path towards making it easy for people to learn Scheme, with these two resources as a starting point, feel free to express them. Best, Jean
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