scanFiles is an example of an interaction with the AudD API.
Basically, it recognized all the music in a folder, writes it to audd.csv file and sets the ID3 tags (artists, titles, album covers, etc.)
Maybe. A couple of users asked as for this utility, so we made it.
You can actually use this utility for hours-long mixes. But the reason was to avoid asking for installing ffpmeg and to provide a bit better accuracy.
Sure! For example, take a look at this Rust music tagger.