DESCRIPTION:
Roland V-Combo' 61-Note Live Performance Keyboard (VR-09-B) https://amzn.to/2Dm2jbB

ROLAND 73-Key Digital Pianos-Stage (VR-730)
https://amzn.to/2sAWPDK

The Hammond Organ - Beauty in the B: Second Edition (Keyboard Musician's Library) Kindle Edition - https://amzn.to/2sC1HIQ

The Synthesizer: A Comprehensive Guide to Understanding, Programming, Playing, and Recording the Ultimate Electronic Music Instrument Kindle Edition - https://amzn.to/2sxf78R

In this video I wanted to demonstrate how I do the "Smear" and "Rake". This is just the way I do it and I am sure there are other ways to perform this playing technique, but I hope my way helps you to accomplish your goal.

Take care,
-Ed.