Elements Lecture 2 - on the nature of sound, tones vs. noise, pitches, intervals, etc.

[@dr.curtinmusi1015]

I think I misspelled "Hertz" (probably confused him with the 19th century pianist Henri Herz?).
Learn all about it here - en.wikipedia.org/wiki/Hertz
And here - en.wikipedia.org/wiki/Heinrich_Hertz