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Could you add this song "Doing It Right by LoaX".
And for the song "Stolen Dance by Milky Chance" doesn't have the original version (may I know why).
Spotify tries really hard to get music available on their service, but in the end the availability of music on Spotify is up to the artist and their music label.This thread by Spotify staff explains why some music is not available:https://community.spotify.com/t5/Content-Questions/I-want-an-artist-song-on-Spotify/td-p/1136005