Arpeggio Useful Links: Spotify API Library Links: https://github.com/Peter-Schorn/SpotifyAPI https://github.com/Peter-Schorn/SpotifyAPIExampleApp https://github.com/Peter-Schorn/SpotifyAPIServer Docs: https://github.com/Peter-Schorn/SpotifyAPI/wiki/Using-a-Backend-Server-to-Retrieve-the-Authorization-Information https://peter-schorn.github.io/SpotifyAPI/index.html Youtube video on combine: https://youtu.be/hbY1KTI0g70 Keychain access: https://github.com/kishikawakatsumi/KeychainAccess