Choose a recording for the key, tempo, Camelot, energy, danceability, and mood analysis workflow.
Drop an audio file here or click to choose a recording for musical analysis.
Supports common audio files up to 10 minutes
Local file selection only. No audio is uploaded. Maximum file size: 50 MiB.
A key and BPM finder estimates the tonal center and tempo of an audio recording. Those clues can help with a session grid, sample matching, rehearsal, or DJ transitions. Estimates still need an ear check, especially when the harmony or rhythm changes. This preview lets you prepare a file; analysis results are not connected yet.
Begin with the right file and know how you would check each musical estimate.
Choose a supported audio file you are allowed to use. A clear rhythmic section and audible pitched material give analysis more useful information.
Key describes the likely tonal center; BPM describes pulse speed. A Camelot label is an alternate key notation used in DJ libraries. No estimates are fabricated in this preview.
Check a proposed tempo against the beat and a proposed key against the melody. Feel metrics, if supplied by a future analyzer, are guidance rather than musical facts.
Use key and tempo as starting points for mixing, arranging, and listening.
A likely key can help you choose chords, test a bassline, or judge whether a melody needs transposition. Relative major and minor keys can be ambiguous, and some recordings change key. Compare the estimate with the musical phrase rather than treating one label as a complete analysis.
A tempo estimate gives you a starting point for beatmatching, editing, or a DAW session. Listen for half-time and double-time interpretations before setting the grid. A recording with live tempo changes may need several tempo points rather than a single BPM value.
Camelot notation makes key relationships easier to scan in a DJ library. It can help organize possible transitions, but compatibility still depends on phrasing, energy, and the actual musical content. Use the label to shortlist ideas, then audition the transition.
Energy, danceability, and mood are interpretive summaries, not replacements for listening. A sparse track can feel intense, and a bright key does not guarantee a happy mood. If those fields become available, compare them with the real scene or sequence you are planning.
Quick musical clues can support a more deliberate creative choice.
Sort possible combinations by tempo and harmonic relationship. Rehearse the phrasing and energy of each transition before the set.
Use estimates to test a loop, choose a session tempo, or try a transposition. Confirm that stretching or pitching still sounds natural.
Look beyond title and genre when planning a sequence. Tempo may support the edit, while mood and intensity still need a listening decision.
Use a likely key and tempo as rehearsal references. A comfortable vocal range or an expressive phrase can matter more than the initial label.
Accuracy, Camelot, file support, musical feel, and current availability.
The interface and local file preview can be explored without payment. The analysis connection is not active, so the page does not currently return free or paid estimates.
An analyzer compares pitched content and tonal patterns with possible keys. It makes an estimate; percussion-only, ambiguous, or changing harmony can be difficult to classify.
Accuracy varies by recording and analyzer. Common ambiguities include relative major or minor, half or double tempo, and changes within the track. Confirm important results by ear.
Camelot is a key-labeling system used by DJs to organize harmonic relationships. It is another notation for a musical key, not an additional measurement of the audio.
They summarize aspects of intensity, groove, and emotional character according to an analyzer. Their meaning depends on the method and they should be treated as subjective guidance.
Use the formats and duration limit shown in the workspace. The browser must also be able to decode the actual file, regardless of its extension.
They can help shortlist transitions and organize a library. Check phrasing, energy, and the actual blend by listening; matching labels alone does not ensure a good transition.
This workspace accepts local audio files rather than streaming links. Use a recording you are authorized to access and process; it does not download music from other services.