You can clearly see the drawbar combinations he used on the night and he did not touch them at all except to switch between banks A & B. AND...he used fast Leslie only ONCE during the whole evening! He was a master of understatement.
I've listened to a lot of Jimmy Smith, and yes, you're right, he was a master of understatement. That's why it's so hard for other organists to duplicate him. Jimmy used the fast Leslie like they use fireworks...the big stuff at the end.
It's like Floyd Cramer...same idea...very understated...people I hear trying to imitate him (including me) tend to
overplay his style.
It's like the old saying, " "You spend the first 20 years learning what to play, and the next 20 years learning what NOT to play."
Ian