saw a promo for sheila appearing on the chris isaak show on showtime.

http://www.musicstation.c...rch=165673

It was on two weeks ago. You'll have to catch the re-run.
She did show off her percussion skills in a little "rehearsal" scene.
She did talk a little, though she wasn't an essential part of the story line.
I didn't really feel her percussion was used very well in the songs, mostly because rockabilly doesn't necessarily lend it's self to percussion very easily.
It's worth seeing though, because she's Sheila E. and she's the best!