Ruzan Mantashyan, an Armenian-born musician, began piano studies at seven and later studied voice at the Komitas Conservatoire. She further honed her skills at Mirella Freni's Accademia di Belcanto in Modena and the Frankfurt Conservatoire, earning a Master's Degree in 2014. She then joined the Atelier lyrique at the Opéra national de Paris until 2016. Mantashyan has won several awards, including the Special Prize at the Francisco Vinas International Singing Contest and the Toti dal Monte competition. She has performed in numerous prestigious venues such as the Konzerthaus Berlin, the Opéra de Paris Bastille, the Glyndebourne Festival, the Komische Oper Berlin, the Wiener Staatsoper or the Royal Opera House. Her roles include Susanna (Le Nozze di Figaro), Servilia (La clemenza di Tito), Echo (Ariadne auf Naxos), Fiordiligi (Così fan tutte) or Mimi (La Bohème), among others.

Hilko Dumno teaches how to sing Lieder at the University for Music and the Performing Arts in Frankfurt. He studied piano at the Detmold/Münster Music University before studying at the HfMDK in Frankfurt. Artists with whom Hilko Dumno regularly works include Christoph Prégardien, Hedwig Fassbender, Julia Kleiter and Johannes Martin Kränzle. They performed at organizations all over Europe including the Schleswig Holstein Festival, the Schubertiade in Schwarzenberg, the Dresden Music Festival, Lucerne Festival and the Amadeus Festival in Geneva and at Oper Frankfurt. His artistic achievements are documented by recordings for the North German and Hessische Rundfunks and Radio Suisse Romande and various CD recordings such as Richard Strauss' Songs of Love and Death with Hedwig Fassbender, Hugo Wolfs Italienisches Liederbuch with Christoph Prégardien and Julia Kleiter and a highly praised recording, Das ewige Rätsel, with Johannes Martin Kränzle.

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