monstercat-downloader

--- JSON Library Source ---
https://github.com/nlohmann/json
Release - 3.10.5
Commit - 4f8fba14066156b73f1189a2b8bd568bde5284c5

--- id3edit ---
https://github.com/rstemmer/id3edit
For MP3 tagging
id3edit
	--set-name "Title"
	--set-album "Album"
	--set-artist "Artist"
	--set-track "Track Number"
	--set-artwork "/path/to/cover"
	file.mp3

--- metaflac ---
https://xiph.org/flac/download.html
For FLAC tagging
metaflac
	// Common
	--preserve-modtime
	--no-utf8-convert

	// First Step - Remove
	--remove --block-type=PICTURE
	--remove-tag=TITLE
	--remove-tag=ARTIST
	--remove-tag=ALBUM
	--remove-tag=TRACKNUMBER

	// Second Step - Add
	--import-picture-from=3|image/jpeg|||"/path/to/cover"
	"--set-tag=TITLE=..."
	"--set-tag=ARTIST=..."
	"--set-tag=ALBUM=..."
	"--set-tag=TRACKNUMBER=..."
	--dont-use-padding

	file.flac