Yamaha Alto Horn, Baritone, Euphonium, Tuba, Sousaphone Alto Horn/Baritone/ Euphonium/Tuba/Sousaphone Instrument de musique Yamaha Alto Horn, Baritone, Euphonium, Tuba, Sousaphone Alto Horn/Baritone/ Euphonium/Tuba/Sousaphone Instrument de musique Instrument de musique Yamaha