feature_columns.json

[
  "tempo_librosa",
  "sp_centroid_mean", "sp_centroid_std",
  "zcr_mean", "zcr_std",
  "rms_mean", "rms_std",
  "mfcc_1_mean", "mfcc_1_std",
  "chroma_1_mean", "chroma_1_std"
]