add http://localhost:3000 (desktop) or your hosted URL to Spotify redirect URIs
Last.fm API Key FREE at last.fm/api/account/create
X AXIS: VALENCE (melancholy → euphoria) · Y AXIS: ENERGY (drift → surge)
COLOR: SONIC SIGNATURE · SIZE: DANCEABILITY
INITIATING RESONANCE SCAN...
preparing to receive transmission
RESONANCE SORTER
— songs mapped
MELANCHOLY
EUPHORIC
ENERGETIC
MELLOW
melancholy · still
complex · introspective
chill · dreamy
bright · peaceful
euphoric · driving
intense · dancing
scroll: zoom · drag: pan · click: open in spotify
SETTINGS
⚑ SYSTEM ALERT
SPOTIFY CLIENT ID
—
LAST.FM API KEY
—
SPOTIFY INTERNAL TOKEN · unlocks real audio features
1. Open open.spotify.com while logged in
2. Open DevTools console (F12)
3. Run: copy((await fetch('/get_access_token?reason=transport&productType=web_player').then(r=>r.json())).accessToken)
4. Paste result below ↓