Dumbek rhythms

Dumbek rhythms are a collection of rhythms that are usually played with hand drums such as the dumbek. These rhythms are various combinations of these three basic sounds:

In a simple notation, these three sounds are represented by three letters: D, T, and K. When capitalized, the beat is emphasized, and when lower-case, it is played less emphatically. These basic sounds can be combined with other sounds:

This is the simple dumbek rhythm notation for the 2/4 rhythm known as ayyoub:

There are many traditional rhythms. Some are much more popular than others. The "big six" Middle Eastern rhythms are Ayyoub, Beledi (Masmoudi Saghir), Chiftitelli, Maqsoum, Masmoudi and Saidi.