Drop a bounce, or start from a profile. Tempo, brightness, low end, and pulse are measured here in the browser. The file is not uploaded and not kept.
Your file
Drop a wav, mp3, or m4a
About the first half-minute is measured. Phone memos work. So do masters.
Or a profile
Nothing is kept
A free session and pay-per-track can show the brief and download it. When you leave, nothing of yours remains. The Studio plan is what keeps reads on a profile.