Euphonium Solo - Level 4 - Digital Download SKU: A0.1224307 By Johannes Stoll, written for Andrea Hobson. By Johannes Stoll. A Cappella,Classical,Contemporary. Individual part. 3 pages. Johannes Stoll #820413. Published by Johannes Stoll (A0.1224307). Cygnus - Euhponium Solo (unaccompanied) Bass Clef in Cfor Andrea Hobson