フライブルク音楽大学
Ruth Sandhoff was born in Aachen, Germany. She studied singing at the Hochschule für Musik und Tanz Köln and then studied with Ingeborg Most at the Hochschule für Musik Freiburg, graduating in 1993. Sandhoff has continued training in master classes with Elisabeth Glauser, Sena Jurinac, Cornelia Kallisch and Anna Reynolds.