Playlist reorder, done right
Your playlist,
in the right order.
Setwise reorders your playlist so every song flows naturally into the next. We match the key, tempo, energy, and mood, so transitions feel intentional instead of random.
Upload a CSV
Drop one anywhere, or browse.
Title and Artist required, the rest optional.
Pick a Spotify playlist
Sign in once, then pick any playlist.
- Reads tempo, key, and energy for every track
- Reorders for smoother transitions
- Apply in place, or save as a new playlist
Spotify sign-in is invite-only while the app is in Spotify Developer review. Email zach@chernickyventures.com to request access.
Works with Spotify playlists or any CSVNo account needed for CSVOpen source
The Camelot wheel. Adjacent keys sound good together.
How it works
Three steps from raw list to a set that flows.
Bring a playlist
Connect Spotify and pick a playlist, or drop a CSV exported from Spotify, Apple Music, Rekordbox, or anything else.
We look up each song
Tempo, musical key, energy, and mood are pulled in automatically from public music databases. No account needed.
Get a set that flows
A smart algorithm finds the smoothest running order. Tune it with simple sliders, then download or push it back to Spotify.
Songs stay in key
Songs with matching musical keys land next to each other, so chord changes sound natural instead of jarring.
Adaptive tempo matching
When the music is danceable, tempo matters most. When it is mellow, energy and mood lead the way.
Automatic song lookup
We pull every song's key, tempo, and mood from public databases so you do not have to tag them yourself.