Margriet Vroomans made a fantastic Podcast-series for her program
De Ochtend van 4 op NPO Radio4.
Here you can listen to 17 short podcasts (8 minutes) en 4 long ones (30 minutes).
It’s in Dutch, with lots of beautiful music.
The Leo Smit Foundation (Carine Alders) helped with the research.
https://www.nporadio4.nl/podcasts/muziek-tot-leven-verhalen-van-musici-in-de-oorlog
Many thanks to Margriet Vroomans and Mariëlle van Kilsonk