This one book is suitable for All Treble Clef instruments : Trumpet, Cornet, Soprano Cornet, Baritone, Euphonium, Trombone (TC), Eb Bass, Bb Bass The F Horn book is a separate purchase. You can buy a CD accompaniment for each of the three transpositions Bb, Eb and F. 61 of the melodies have piano & CD accompaniments.
