Your source for creating the perfect mashup

Online musical key and tempo estimation

Upload Your Tracks
Quickly find the key and BPM of your entire library to find compatible tracks for your mashups.
Search Our Database
Instantly search thousands of tracks to find the perfect match for your production.
Edit Track Data
We're a wiki! Add tracks, submit edits, and rate our content to help keep us accurate and up-to-date.
Upload More!
So… How do I use it?
Simply drag and drop any of your tracks into the dropzone and hit the "Upload Tracks" button.

Once the tracks get analyzed you can:
  • Export the results to share with your friends
  • Edit any of the track data
  • Choose whether to save it to our public collection or not
Note: Currently we only support MP3 and WAV files with a 15MB file size limit for each track.

Have a few more questions? Visit our FAQ's
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