Science-driven playlist optimization
Your songs, scientifically sequenced.
Unshuffled analyzes your playlist and reorders it for maximum listening satisfaction using principles from cognitive psychology, music therapy, and harmonic mixing theory.
Unshuffled analyzes your playlist and reorders it for maximum listening satisfaction using principles from cognitive psychology, music therapy, and harmonic mixing theory.
Paste a list of songs or import from Spotify, Apple Music, YouTube Music, or Tidal. We analyze each track's tempo, key, energy, mood, and more.
Our algorithm applies Peak-End Theory, the Iso-Principle, Camelot harmonic mixing, and MIR research to find the optimal listening order.
See your optimized playlist with energy arc visualization and transition quality scores. Export as text or .m3u playlist file.
Kahneman proved we judge experiences by their peak moment and ending. We place your strongest tracks strategically.
Music therapy's foundational concept: match then guide. The sequence meets you where you are and takes you where you want to go.
Using the Camelot Wheel, we ensure key-compatible transitions — the same system professional DJs use for seamless sets.
Smooth tempo progressions sustain rhythmic entrainment, keeping you absorbed in the music without jarring disruptions.