Klaus Storck played an arpeggione attributed to Anton Mitteis, a student of the instrument's inventor, Johann Georg Stauffer; Alfons Kontarsky played a Brodmann fortepiano built in Vienna ca.
Klaus Storck a cantat pe un Arpeggione atribuit lui Anton Mitteis, un student inventator al instrumentului, Johann Georg Stauffer; Alfons Kontarsky a cantat pe un Brodmann fortepiano construit la Viena ca.