How to Play the Trumpet A Major Scale
Written A Major features three sharps (F♯, C♯, G♯) and sounds as Concert G Major on B♭ trumpet—one of the most popular keys in rock, pop, country, and orchestral string repertoire. Keeping your 3rd slide extended continuously across C♯4 (1 - 2 - 3) and D4 (1 - 3) makes the lower tetrachord both effortless and dead-on in tune.