Ten Intermediate Duets for Two Euphoniums (Treble clef) Ten Intermediate Duets for two Euphoniums are a collection of 10 original duets written in variety of popular styles suitable for two euphonium players of an intermediate standard. The ten duets in the book are: Overture Marcia Primo Marcia Secondo A Song Walt’s Waltz Copycats Intermezzo Staccato Stomp Dynamic Duo Swan Song