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POST
Turn a hum, sung phrase or spoken recording into a musical brief. Use request setup for account headers.

JSON body

string
required
Audio data URL or base64 recording.
string
Additional written brief.

Response

string
Combined musical brief.
object
durationSec, bpm, keyScale, scaleMode, meanPitchHz, pitchRangeSemitones, contour, groove, onsetRatePerSec, energyLevel, energyTrend, vocalTone, mood.
object
text, language, isLexical, optional flaggedAs, and provider (cartesia, elevenlabs, none).