@YouTube
When studying some music on YouTube one HAS TO increase volume to maximum - but right after listening with no chance to turn volume down YouTube lets blaring unappropriate NOISE at enourmous volume in any ad hit our eardrums! Poor technicality destroys our hearing!
Just to clarify, have you tried playing the same music on YouTube using a different device & it increases on the same time stamp? If not, Here are some troubleshooting steps that can help: https://yt.be/help/Cko1 . Let us know if that fixes it.