I'm a newbie to PD (and this board). In order to teach myself, I've been trying to recreate the EMS Synthi VSC3 patch used in Pink Floyd's "On the Run" from their Dark Side of the Moon album. Attached is my current progress.

Getting there, but the filter settings need a lot of work

http://www.pdpatchrepo.info/hurleur/dsotm_on_the_run_2.pd

No, I didn't know it existed Thanks!