by Francisco Barbosa The cork stopper developed by Boehm during his intensive research between 1832 and 1847 is still used by most flute makers today. Indeed, it has evolved a lot. It consists of a small piece of cylindrical shape, occupying about 5.2 cm of space between the closed top end of the flute and the bezel through which the flutist blows. This part consists of a cork cylinder, perforated in the center to allow the passage of a screw welded to a small metal disc that serves as the base of the stopper. A piece of cork fills the … Continue reading Flute stopper research: where does it lead us?