score_transition
ActiveTool of FreqBlog Music Metadata
Score how well one catalog track mixes into another (0-100) — the pairwise DJ transition score no raw key/BPM API gives you. Combines Camelot-wheel key compatibility, octave-aware BPM proximity (half/double-time counts as a match), and energy smoothness. Returns the overall `score`, per-component scores (`harmonic`/`tempo`/`energy`), a `detail` block (key_relation, both Camelot keys, both BPMs, bpm_delta, bpm_octave_matched, both energies, energy_delta), and a one-line human `reason` (e.g. "8A->9A adjacent (+1), 126->128 BPM (+2), energy +0.04 — clean uplifting mix"). Both ids are catalog itunes_track_ids — get them from search_catalog or the itunes_track_id field of a get_audio_features result. Costs 1 quota unit.
Parameters schema
{
"type": "object",
"title": "score_transitionArguments",
"required": [
"from_track_id",
"to_track_id"
],
"properties": {
"to_track_id": {
"type": "string",
"title": "To Track Id",
"maxLength": 80,
"minLength": 1,
"description": "The candidate track you're mixing INTO — a catalog itunes_track_id."
},
"from_track_id": {
"type": "string",
"title": "From Track Id",
"maxLength": 80,
"minLength": 1,
"description": "The track you're mixing FROM — a catalog itunes_track_id, e.g. 'apple_ad1829eeccb70f9a'."
}
}
}Parent server
FreqBlog Music Metadata
1/7 registries