beatlegdb.com

Help!
I'm looking for a way to separate John's lead vocal from the main vocal track in the song "Help!"....I.E lose George and Paul.
I've been through all the files i have and tried a couple of online apps without luck.
Has anyone managed this before? Is it possible?

mvsep.com has a lead vocal/backing vocal algorithm.

I tried it, not even close!

A few days ago i tried the lead/back separation from MVP.com and it was like 80% pleasing. Still i was amazed. With another song it didn't work out at all. Will definitively try out more, i guess it depends on the quality of the source.