AM NOT a huge Facebook fan, but cool stuff can be found there. The following was shared in a “closed group” dedicated to Gregorian Chant:
It was taken from a YouTube channel that contains tons of fascinating historical videos. For example, search for this on YouTube:
“ Jan 1929 – Children waiting to see cardinal in Rome, Italy (real sound) ”
For the record, here’s the source of the 1934 video: MIRC