Upplýsingar frá listasamtökum (staðfest af Operabase)
Groot Omroepkoor sings Brahms and Bach by Brahms, Buchenberg, Koessler, Reger, M., Diepenbrock, A., Bach, J. S., fös 19 mar 2021, Frá (2021/2021), Hljómsveitarstjóri Michael Gläser, TivoliVredenburg, Utrecht, Netherlands