I recently added a new source to both the Alto Trombone Timeline and Alto in Treatises pages. I believe that brings the total number of alto trombone primary sources to 88, as you can see in the Alto Trombone History…
alto clef
Trombone History: Another E-flat Alto Trombone Source
Added the following to the Trombone History Timeline (19th century), Alto Trombone History Timeline, and Alto in Treatises pages. Notice that, as with the vast majority of written sources, the alto trombone is not only in the key of E-flat,…
Alto in Treatises
Trombone History: Added a new page, Alto in Treatises, that gives quotations from more than 45 treatises, dictionaries, and methods, most of them primary sources. It is arranged chronologically and spans from 1600 through the first quarter of the 20th…