I am teaching myself the vibrato technique on violin and I have some doubts about it. Hopefully some one can shed some light here.
If I understand correctly, it may be obvious because no one writes about it, you only use vibrato on long lasting notes, correct? It's not like you are vibrating all time while playing...
Then my problem with it is that, when I am playing fast notes, it helps leaning my index finger on the neck of the violin, however when I have to play a vibrato, because a long note is coming, I have to release my index finger to have some gap that allows my hand 'waving'. Is this the correct technique, releasing from/leaning on the the neck of the violin depending on whether you are vibrating or not, or should I play all the time with my index finger detached from the violin neck? How do you do it?