Technical analysis of the performance of the great Argentinian tenor Marcelo Alvarez, then 32 years old, in the aria “A te, o cara” from Bellini’s opera “I Puritani”. In this short sequence, I present several concepts that represent a synthesis of what I consider today, in my own development as a vocal teacher, the representation of the optimal vocal gesture: constant return to the laryngeal support point, thickening of the base of the tongue to avoid squeezing and automatically engage the “Appo