If Spotify doesn't have the song you want, you can add it through local files.

Not all Laufey songs are available on Spotify, however, all but a few are available on her YouTube channel and Soundcloud. You can download them to add them to your music player of choice i.e. Spotify.

You can add metadata such as the artist name and cover art to any mp3 for music players like Spotify to display.

A song is usually first released to the public as a single, part of an EP, part of an album, or included in a soundtrack.