The historic music broadcast, from 1920:
'Concert Number One'
https://www.youtube.com/watch?v=TiUMCKFQcRI
- a documentary from the vast Random Radio Jottings Archive of @andywalmsley.
This aired at the #BBC #Proms, which starts its 2023 season today.
The radio concert by the Australian star soprano Nellie Melba, produced by Marconi in Chelmsford, Essex, was also heard by pioneering listeners overseas. I'm just marvelling at how funny everyone involved was!
If you'd like to read about it, Andy Walmsley's post 'The Magic Playbox' is here:
http://andywalmsley.blogspot.com/2020/06/the-magic-playbox.html