The glissando: from bad trombone technique to a common performance idiom

Perhaps no technique more perfectly characterizes the idiom of the slide trombone as the glissando. Its first deliberate use in performance is fairly recent in the long history of the trombone, and its acceptance as a legitimate technique came somewhat later. Nowadays, we tend to think of glissando and portamento as synonyms. They are, indeed, played exactly the same way, so it seems odd that the portamento enjoyed early approval and that all manner of musicians, including trombonists, strongly disapproved of the glissando within living memory. Daniel Speer provides the earliest reference to the glissando I have found (1687), when … Continue reading