Day 1 - Mahler Festival 2020
Mahler Festival 2020 website
https://mahlerfestival.concertgebouw.nl/en/
Bio of Adriaan van Woudenberg
https://www.hornsociety.org/26-people/honorary/846-adriaan-van-woudenberg
Information about Mahler and Mengelberg
https://www.concertgebouw.nl/en/mahler-in-amsterdam?queueittoken=e_beveiliging~q_b4b3fa52-3886-4f22-95ab-ac008e410841~ts_1588955729~ce_true~rt_safetynet~h_bab73dca6f97d07b4fe3528f8e0710b4ef5a3c89985c31285e622fa5d5789db3
