For hymns: a CommonMark subset where where paragraphs represent stanzas and quotes represent refrains; non-singable content, like title and metadata, are embedded in YAML front matter
For studies and other data: CommonMark
Build tools:
Webpack 2: as it supports tree shacking now the Rollup's best feature is just the 0 byte boilerplate, so is better keep up with Webpack
Standard, because I don't like semicolons, even on lists like this one
Front end libraries:
Content related tools:
Build tools: