The works on this site were conducted by Willem Mengelberg with the Concertgebouw Orchestra or other ensembles and have, on one or more occasions, been recorded.
More information regarding Mengelbergs recordings can be found in:
Brahms – Symphony no. 1
Concertgebouw Orchestra Amsterdam
Zondag, 13 oktober, 1940; Live recording
Brahms – Symphony no. 4
Concertgebouw Orchestra Amsterdam
Dinsdag, 29 november, 1938; Gramophone recording