Volume-based progress bar

Feature description:

Using plexamp, you can see the volume level in the song progress bar

Problem solved:

It allows you to quickly see where in the song you are and if there should be loud/quiet/no sound playing

Brought benefits:

It’s a nice UI touch that helps improve users experience with the app

Other application solutions:

 
Plexamp does this
 

Additional description and context:

 

 

Screenshots / Mockup:

 Screenshot 1   

Duplicate Wavebar as alternative to animated progress bar in "Now Playing"