Question

It would be helpful to have more than one insert window open, so that we can look at the spectrum analysis of two tracks. Unmasking lead guitar or singing would be much easier. Cubase does it.

Answer 1

Have you tried pinning 1 or both spectrum meter inserts?

Open 1 insert on the first track then select the push pin at the top right hand corner of the window.

Then select the next track and do the same