Natural Brass Flugel Horn Great Value 3-Valve Brass Band Flugelhorn Item No: MI 039 Description:- The bugle is one of the simplest brass instruments, having no valves or other pitch-altering devices. All pitch control is done by varying the players embouchure. Consequently, the bugle is limited to notes within the harmonic series. See bugle call for scores to standard bugle calls, all consisting of only five notes.