So...
...conductors are basically fader panel + producer in a single organism.

Thank you. After years, I finally understand!
( shinyshinyscalp less a man, more a way of life, Fri 28 May 2010, 15:38, 1 reply)

Pretty much ^_^
Although I've never heard a producer come out with some of the gems conductors say:

(These are all about Fantasia on Sea Shanties)
"Play it like a pirate slag!"
"We need a bigger bottom. More bass!"
"I know this is hard and fast, but we'll just have to whack it out as quickly as possible."
(Sivvus trolley collision in the fruit aisle led to a jam, Fri 28 May 2010, 16:27, closed)