Pitch Frequency Drum Tuning Chart. While most drums with heads are classified as instruments of indefinite pitch, drumdial can aid in maintaining the “relative pitch” you desire once the pressure values are established to your liking. Drumdial can be used to tension equally both tuned and untuned membranophones.

Drumdial can be used to tension equally both tuned and untuned membranophones. While most drums with heads are classified as instruments of indefinite pitch, drumdial can aid in maintaining the “relative pitch” you desire once the pressure values are established to your liking. Then, measure the fundamental pitch of the drum and adjust the pitch of the top head until it equals the desired.