The music timeline game, powered by Spotify.
1. Create an app at developer.spotify.com/dashboard.
2. Add this exact URL as a Redirect URI in your app settings:
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3. Spotify Premium is required for in-browser playback.
4. This app must be served over HTTP/HTTPS (not opened as a local file).
Choose where songs are drawn from and apply filters.
Spotify scores songs 0–100. Higher = more streams & recognition.