''This Estill Voice Training Course gave me scientific knowledge about what I am doing & using when I sing. It empowers me to analyze & overcome weaknesses quite effortlessly''
Estill Voice Training
2020-11-16T16:20:20+01:00
Naomi van Dooren | Singer, Germany
http://dortehyldstrup.prooftec.dk/testimonials/naomi-van-dooren-singer-germany/