Classical Isabelle van Keulen and Hannes Minnaar – Beethoven: Complete Sonatas For Piano and Violin (2014) MCH SACD ISO + Hi-Res FLAC
Classical Isabelle van Keulen, Ronald Brautigam – Strauss, Rota, Respighi – The violin sonata around 1900 (2009) DSF DSD128
Classical Isabelle van Keulen, Ronald Brautigam – Grieg, Elgar, Sibelius – Music for violin & piano (2007) DSF DSD128
