The years keep repeating — the same days, months, and seasons. But you're always evolving. Rediscover past versions of yourself through the songs you saved at the time. Strata organizes your liked songs by when you liked them, so every season of your life has its own soundtrack.
✦ Try Demo Mode ✦
A full simulation of 6,000 songs across 2016–2026. See exactly how it works — no Spotify account needed.
Look up a track
Refresh for a different song.
Hello
Adele
Released on Friday
October 23, 2015
Saved on Wednesday at 9:13 PM
November 20, 2019
You were 18 when this song was released. You were 23 when you saved it.
🔒Available after connecting your Spotify — your real data, your actual songs.
Click Create App. In the Redirect URI field, paste the exact URL of this file from your browser's address bar. Click Add, then Save.
03
Copy your Client ID and paste it below.
Step 02 — Authorize
Grant access
You'll be taken to Spotify to authorize. This app only reads your Liked Songs and creates playlists. Nothing is ever deleted or modified.
Step 03 — Loading
Fetching your library
Initializing...
Step 04 — Preview
Review before creating
Which playlist tiers would you like to create?
📁 About Folders
Spotify's API no longer supports creating folders programmatically. After your playlists are created, organize them in the Spotify desktop app by right-clicking any playlist and selecting "Add to folder". Suggested: Phases / Months / Seasons / Years.
Step 05 — Done
Your past self had good taste. It's time to revisit.
Your layered soundtracks are ready. Run Strata again anytime — only new songs are added, never duplicated.