Get Contrast Recommendations

Get tracks with characteristics contrasting to a reference track.

Parameters:

<b>params</b> : ContrastParams<br> - track_id: str (Reference track ID)<br> - contrast_features: List[str], default=["energy", "valence"] (Features to contrast)<br> - limit: int, default=20 (Number of recommendations)<br> <b>x_api_key</b> : str (API key for authentication)<br>

Returns:

TrackIDList<br> List of tracks with contrasting characteristics<br>

Notes:

Creates variety in playlists by finding tracks with opposite characteristics.