Originally Posted by Deathmetalconga
My favorite Middle Eastern scale is Hijaz in the key of D. I have my Hang drum tuned to it. It's in a major scale, so it doesn't have a sad sound, but the spacing of the notes gives it a lot of tension.
Check it out:
I like that one, except with the C raised a half step to a C#. It adds a little tension, a more exotic quality in my opinion. And that is the only Middle Eastern scale I know.