discover_tuneAcousticness A confidence measure of whether the track is acoustic. 1.0 represents high confidence the track is acoustic.

nightlifeDanceability Describes how suitable a track is for dancing based on a combination of musical elements including tempo, rhythm stability, beat strength, and overall regularity.

electric_boltEnergy Represents a perceptual measure of intensity and activity. Typically, energetic tracks feel fast, loud, and noisy.

pianoInstrumentalness Predicts whether a track contains no vocals. "Ooh" and "aah" sounds are treated as instrumental in this context.

mic_external_onLiveness Detects the presence of an audience in the recording. Higher liveness values represent an increased probability that the track was performed live.

hearingLoudness The overall loudness of a track in decibels (dB). Loudness values are averaged across the entire track and are useful for comparing relative loudness of tracks.

lyricsSpeechiness Detects the presence of spoken words in a track. The more exclusively speech-like the recording (e.g. talk show, audio book, poetry), the closer to 1.0 the attribute value.

speedTempo The overall estimated tempo of a track in beats per minute (BPM). In musical terminology, tempo is the speed or pace of a given piece, and derives directly from the average beat duration.

moodValence A measure of musical positivity conveyed by a track. Tracks with high valence sound more positive (e.g. happy, cheerful, euphoric), while tracks with low valence sound more negative (e.g. sad, depressed, angry).