With Spotify, you have access to a world of free music, curated playlists, artists, and podcasts you love. Discover new music, podcasts and listen to your favorite artists, albums, or create a playlist with the latest songs to suit your mood.

I wanted a tool to help me find music based on elements of music that I personally liked, and figured I could make something that would do it for me. Synthetic connects to Spotify and calculates scores for songs from curated playlists (or it's entire library) based off user input. Then you preview the top picks and can add them to your library.