4 Vocalists Teach the Secrets to Legato Singing 

It certainly IS! As a lifelong concert artist, when playing cantabile ("in a singing style") I like to slide imperceptibly softly between notes

And what about slurs, where the finger is added (or, as the lady says, removed revealing the lower one) without stopping the bow??

It’s more complicated on fretted instruments (like the guitar).

A violin is not a mechanical instrument. It doesn't have hammers or levers or pistons or anything of the sort. So the opening statement is correct.

Derrick Goff! We have several courses with him on the tonebase voice platform :)

Also he seems to be confusing vibrato with the harmonics produced by a well positioned voice.

@@mav030 ALL notes (except tuning forks, synthesisers, and sometimes the low notes of a flute) produce the upper partials you call harmonics. It is the varying strengths of these that give each instrument it's characteristic sound. (Manchester University 1954, non-optional acoustics course. I learned far more about sound production and bowing from scientists in white coats at the Institute of Technology than the meaningless ill-informed guff from most of my teachers.) Keith Ramsell. (".. the Elgar was a total success... " Strad. magazine Dec. 1984) And by the way, I was born with a single functioning finger on my right hand.