A fun look at the meaning of "der Ton" and what music has to do with pottery. And a bit of basic acoustical physics for good measure :)
der Ton, der Lehm, betonen, vertonen, die Note, der Klang
The core idea of this root was:
In English, this became the word to call.
The German branch is a bit more diverse with words like klagen (to lament) and klingen, which is a general word for sounding.