In recent months my lip has begun to quiver rapidly within the first five minutes of practice every day. It happens during long tone warmups at various pitches. The quiver doesn’t hurt, it sounds like a nice fast vibrato, and it dissipates within about ten minutes, but At the same time I can’t control it. This is probably somewhat age related (I’m 74), but I have no symptoms or history of Parkinsonism.
Has anyone else, of any age, experienced this chop quiver (as opposed to chopped liver - sorry)? Thanks.