The University of Music and Performing Arts Graz Singing voice directivity database: Frequency data, IQR data Data from 6 female and 4 male singers. Frequency data (results for each pitch, vowel, and phonation mode) Data for percentile plots (averaged metrics evaluated at the harmonics for each pitch, singer, vowel, and phonation mode) cite with corresponding article: https://www.mdpi.com/2624-599X/4/4/51 Brandner, M.; Frank, M.; Sontacchi, A. Horizontal and Vertical Voice Directivity Characteristics of Sung Vowels in Classical Singing. Acoustics 2022, 4, 849-866. https://doi.org/10.3390/acoustics4040051 en Unknown Classical singing, voice directivity Brandner, Manuel (Institut für Elektronische Musik und Akustik)