I thought it would be somewhat helpful to come back to these and attach a few files as suggested by Riccardo Gaeta as well.
Confirmed for 18w50a
SInce it is a duplicate why is not fixed yet then?
Riccardo Geata, show a screenshot of what? Of an anvil falling or what I was building? Because there is no way for me to manipulate the sound through a screenshot.
Tests in 1.14.1:
https://gyazo.com/2b260de415d9936ac465d707dc857eb0
https://gyazo.com/7f583df42bce9fae14b82356e57e0e23