If you like this kind of thing (as background ambience or whatever), the 'WJSV broadcast day' recording from 1939 is worth checking out too: https://archive.org/details/001WakeUpMusic

It was apparently the first recording of its type, clocking in at 19 hours: https://en.wikipedia.org/wiki/WJSV_broadcast_day

I chopped up bits of it for the 'Old American radio' option on an ambient sound mixer I made called Ambiphone: https://ambiph.one/?m=1-Ambient+old+radio-bf37bi80