...and oddly enough, the big ... small one makes a lower sound, the bigger one makes the high sound. And they always work together. And I always liked the sound, you know, so this was something that the first time I used. And when, uh, I had other ones, for example, "Minamata," for example, Kanze [Hisao]--we call it iemoto, the one at the head of that particular style of nō, you know, singing--he's deceased, but I asked him to sing it for me, for this particular song, um, music. So it was ... the tsuzumi sound is pretty much the same, all things. I think if you hear, maybe three or four different nō plays and if you hear that sound, it's pretty much the same.