This solution contains Interface and template provider project for MultiLyrics project
Clone code.
Initialise your API in the constructor.
Implement FindLyricsAsync function.
This function must return list of FoundTrack objects where you can define set of displayed track properties as title, lyrics language etc.
Optionally you can implement preferences using Preferences property. See Preference Manager library.
Locallise .resx strings. Your implementation must contain "en-US" as default localisation.
See known providers for examples.