Linking Spotify to Amazon Echo speaker only works for Spotify premium users and a month free trial, and Spotify music are DRM protected to prevent us streaming them on other music player for playback. (sidify.com)
Or export Spotify Playlists to other music player like Google Play Music, iTunes library etc.. (sidify.com)
Like all other streaming music services, Spotify also sets the DRM protection for all the tracks and playlists to limit the playback on other music players and some portable devices, or edit for more purposes. (sidify.com)