Hardest Genre to Compose In?

[Lopyt]

So I was thinking, what are the hardest genres to compose in. Tell the forum what you think with a 1 to 10 number in genres you've tried.

Ex. 

Metal.            3 to 6

Pop.               1

Jazz Fusion. 10

Avant garde.  6

Other jazz      7

Classical.       4

Etc.