Transposing instruments: Trumpet in Bb, Horn in Eb, Piano; All of them show the C major scale (the trumpet with 2 sharp, the horn with 3 sharp). Trumpet in Bb Bb Tpt. Horn in Eb Hn. Piano 1 2 major 4 4 G 2 -1 -2 D 4 1 1 quarter E 4 1 1 quarter F 1 4 1 1 quarter G 4 1 1 quarter A 4 1 1 quarter B 4 1 1 quarter C 1 5 1 1 quarter D 5 1 1 quarter light-heavy 1 3 major 4 4 G 2 -5 -9 A 4 1 1 quarter B 4 1 1 quarter C 1 5 1 1 quarter D 5 1 1 quarter E 5 1 1 quarter F 1 5 1 1 quarter G 1 5 1 1 quarter A 5 1 1 quarter light-heavy 1 0 major 4 4 G 2 C 4 1 1 quarter D 4 1 1 quarter E 4 1 1 quarter F 4 1 1 quarter G 4 1 1 quarter A 4 1 1 quarter B 4 1 1 quarter C 5 1 1 quarter light-heavy