She also served on the jury of the Jugend musiziert competition on state and national level, and was a lector of pedagogical works for publishing houses.

In this function, she played in the first performance in Rome of Paul Hindemith's version of Monteverdi's L’Orfeo, and worked with Enrico Mainardi and Carlo Secchi [it].

They played in a radio recording of Bach's cantata Himmelskönig, sei willkommen, BWV 182, in the early 1960s, conducted by Ulrich Bremsteller.

[6] In 1961, she co-founded with Heinz Hennig and Erwin Wolf [de] the Junges Sinfonieorchester Hannover, a youth symphony orchestra.

[15] In 1965, Koerppen was awarded the Niedersachsenpreis für Musik of Lower Saxony, and in 1992 the Order of Merit of the Federal Republic of Germany.