Vibrato is challenging to teach in a group setting!Violinists/violists have a different vibrato motion that cellists/bassists.Depending on the size of your ensemble and your rehearsal space, you may not be able to physically get to every musician to help them individually with their vibrato.Musician who self-teach vibrato often end up with a sporadic, tense, "quiver" vibrato.Practicing vibrato is BORING!Why is this resource titled, Vibrato "Vitamins?"Vitamins are supplements for our bodies, and