Every Drum can be tuned to different keys (pitch) the most common scale we now tune to is the Celtic scale of  D minor and E minor.  

CELTIC SCALE
E Minor


EQUINOX SCALE
in C Minor


CHAKRA SCALE
E Minor Hijaz layout 432Htz


CELTIC SCALE
D Minor


DIATONIC SCALE
in C Major


CHAKRA SCALE
C Minor Lydian layout 432Htz