The following year he put on a similar festival in Berlin, introducing music by Anna Cramer, Kor Kuiler (1877–1951) and Cornélie van Oosterzee.
He donated his Swiss house to the Dutch Association for Contemporary Music in 1937, moving to Darmstadt for a short time before settling back in the Netherlands.
[3] Ingenhoven composed orchestral music in a late Romantic style, comparable to Franz Schmidt, Richard Strauss and Alexander Zemlinsky.
Typical are the three orchestral Symphonic Poems (Lyrical, Dramatic, Romantic) composed between 1905 and 1908: the second of these was performed three times by the Concertgebouw Orchestra in September 1915, conducted by Evert Cornelis.
[3] His work as a composer was admired by contemporaries such as Matthijs Vermeulen, Willem Landré and Daniël Ruyneman,[6] but after his German period Ingenhoven himself did little to promote his compositions.