She was an eminent interpreter of Brahms, Bach, Händel, Mendelssohn, Mahler, Beethoven, Schubert, Frank Martin, Alphons Diepenbrock, etc.
Aafje had a special affinity for the works of Mahler, creating the now legendary recording of his Symphony No. 2 with the Royal Concertgebouw Orchestra conducted by Bernard Haitink.
Below are her majestic recordings of "Dank sei Dir, Herr" and Mahler's Urlicht.