“..in case you’re getting too familiar with the term “extended technique”, too often applied to players who have the technique, but nothing to say with it, and though they may produce fine and unusual sounds there’s no sense of a human being having generated them in the first place. Henkel conversely is a warm human organism with plenty of juice in his lips and air in his lungs, the same air passing through the tubes of his instrument and arriving on the airwaves in unusual mutated forms.”