14 Easy Trios For Trumpet, French Horn and Trombone. These Trios have been written for pre-grade 1 players progressing to about grade 2 standard. These trios can be played in your lessons with your teacher or fellow students and they make excellent repertoire pieces for those school concerts. Parts and score included: Part 1: Trumpet in Bb Part 2: Horn in F Part 3: Trombone in C 1. This Old Man2. London Bridge3. Aura Lee4. Polly Wolly Doodle5. Old Macdonald6. Little Brown Jug7. The Muffin Man8. Yankee Doodle9. Camptown Ladies10. Ode to Joy11. She’ll be Coming Round the Mountain12. The Old Grand Duke of York13. Troika14. Sand Dance Check out my other trios! 9 Spirituals Trios (Grades 2 to 4+) 8 Christmas Trios (Grades 1 to 4+) 14 Easy Trios (Grades 0 to 2) 14 Fun Trios (Grades 2 to 4) There are also some duets and quartets too!