Polymetric parts: line breaking problems

[Giovanni Roversi]

Hi, I'm transcribing the whole "Supper's Ready" suite by Genesis, and I
have to write down the organ solo. If you don't know, the band plays in
9/8, subdivided in 4+3+2 (if you have a better subdivision, tell me!),
and the organ plays various time signatures against it. Now, I took the
snippet and just pasted in it my file structure, with
\RemoveEmptyStaffContext ecc. I also tried with a suggest by a user (you
can find it in the "Different time signatures in different staves"
thread).
Why doesn't it work?
Thank you and bye bye,
   Giovanni

Assolo.ly
Description: Text Data