Never just run through a study because you happen to be familiar with it, but use it to see what you can get from it on this new day which has been granted you.
I think it is most important for a teacher to play the pieces and studies that are being played by the student.
Scales played in the correct musical way are very exciting and rewarding.
Taking drugs to overcome nerves is the thin edge of the wedge going in there.
It is normal to be nervous.
Control of vibrato helps your musical expression.