Hot Cross Buns Trumpet Finger Chart. The fourth valve is operated using the little finger of the right hand or the index finger of the left hand. Essentially, when playing a scale, the fourth valve is used to play notes below the low f.

The fourth valve is operated using the little finger of the right hand or the index finger of the left hand. For the piccolo trumpet, the fingering for the chromatic scale descending from the. Essentially, when playing a scale, the fourth valve is used to play notes below the low f.