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Table 5 Overview on the raters (A–D) by age, gender, ethnicity, professional relation to music, instruments played, and ballroom dance abilities. The last column indicates the cross-correlation (CC) between valence (V) and arousal (A) for each rater's annotations.

From: Determination of Nonprototypical Valence and Arousal in Popular Music: Features and Performances

Rater Age Gender Ethnicity Prof. Relation Instruments Dancing CC(V,A)
A 34 years m European club D. J. guitar, drums/percussion Standard/Latin 0.34
B 23 years m European piano Standard 0.08
C 26 years m European piano Latin 0.09
D 32 years f Asian 0.43