The software seems very interesting, but the performances are depreciated sharply help files often incomprehensible and unrelated to the advertised performance.
Perhaps this is due to my knowledge of the language of Shakespeare, but I do not: I have had no trouble learning how to use ACID PRO SoudForge Pro, Vegas Pro, etc. ..
Even the French site of Sony, one gives me a PDF promising, but very incomplete.
A book in real PROs extraction of audio (vocals, harmonics, etc ...) not needing any external aid.
The software works perfectly under Seven 32
I try to use it for 3 months, but I still have not found a way to extract with lyrics in the original song and the version instrumantale ... what I can do easily with less expensive software.
However, I use SpectraLayers in education, playing and adding the spectrograms of different instruments