update MEI documents to MEI v4.0.1
Once the documents are prepared in #1 they need to be upconverted to MEI v4.0.1 There are generic scripts to achieve that at https://github.com/music-encoding/encoding-tools but these might need some adjustments.
Once the documents are prepared in #1 they need to be upconverted to MEI v4.0.1 There are generic scripts to achieve that at https://github.com/music-encoding/encoding-tools but these might need some adjustments.