The earliest known pedagogical book for this instrument, likely written for a unique Arthur Schnitzer design from Nuremberg, is by Cesare Bendinelli. A set of Daily Drills for this instrument was written by a performer of it in Mahler’s New York Philharmonic, Max Schlossberg. 14 Characteristic Studies by a player of this non-violin instrument appear in a book of pieces ending with a Fantasie Brillante and a set of variations on (*) “The Carnival of Venice.” A short-lived version of this instrument with 7 keys was originally (10[1])intended to be used for two concerti, including an E major one usually transcribed down to E-flat. This instrument, whose students often learn from Jean-Baptiste Arban’s Method, plays in a high clarino register in its valveless “natural” form. (10[1])For 10 points, concertos by Haydn and Hummel were written for what high-pitched, three-valve brass instrument? ■END■