The Technical Studies for Cornet (first published in 1912 and presented here as Technical Studies for Euphonium (Trombone) and Tuba) are but one of several pedagogical resources assembled by Mr. Clarke. His elementary studies and characteristic studies are fine works, however, the technical studies are probably among the most widely used etudes of all time in brass pedagogy, perhaps second only to the method of the famous Jean Baptiste Arban. -the publisher