Mellophone        

          Mellophone, Additionally Known As Ballad Horn, Concert Horn, Mellohorn, Or Tenor Cor , A Device Brass Instrument in-Built Voluted Type And Pitched In E♭ Or F, With A Compass From The Second A Or B Below Middle C To The Second E♭ Or F Higher Than. The Alto And Tenor Forms Substitute For The Horn In Walk Bands. Within The Nineteen Fifties A Version Known As The Mellophonium Was Developed For Concert Use; Its French Horn-Style Bell Faces Forward. The Mellophone Bears No Relationship To The Mélophone, A Wind Instrument.