I've thought of images while I write... I focus more on the sound when I perform. Let's see...

[ He crosses the room to grab his cello from its case. ]

The best way to confirm this is to do it.

[ He returns and starts pulling at the stand at the base of the instrument to make it just the right height for one of the stools at the counter. He readies his bow, draws a few notes out then stops short. ]

Hm. Can you show me an example one more time?