An (MP3 URL) is a plain text file used to create media playlists that point to local files or internet streams. You can manually create or edit these using standard text editors like Notepad (Windows) or TextEdit (Mac). Creating Your M3U File
: The first line must always be #EXTM3U to identify the file format.
: For every song or video, use the #EXTINF tag followed by the title and the file path or URL.