3. And this may be the strangest: get a kazoo.
Just some thoughts..
Maybe it has nothing to do with her ability, but rather her personality. I know people who were really self-conscience and they thought playing with a lot of expression would draw too much attention. Could this be the case with your student?
*** IT'S BEEN 13 YEAAAAAARSSSSSSSSSSSS SINCE SHE POSTED THIS THREAD