Shuffly - Shuffle for Spotify

Shuffly - Shuffle for Spotify is an unbiased generator of shuffled playlists in the music streming service Spotify from the user's playlists, that is, the order of the songs is chosen totally randomly without any criteria. Why shuffle with Shuffly? Shuffle without any bias (just random)! Mix multiple playlists and shuffle! Mix multiple playlists and shuffle in CAROUSEL!