I found these kanji which I am told are a pretty direct translation of " Spring-Ford Percussion," and since they are single characters I'd prefer to use them... unless the meaning is totally wrong:

dan = spring

se = ford

gaku = percussion
The other nice thing about the site were I found them (
Japanese Gifts / Traditional Arts and Crafts - Best Buy Shop) is that they have animated gif's showing the brush strokes, which is very helpful for me.
Now I realize that this information does not agree with what a few of the responses on here have told me, but since I'm not likely to have any fluent Japanese speakers reading the drum heads. I also realize that this not the definition of "spring" that really applies, but I like the kanji better.
So at this point, would I be totally remiss to use these individual characters? I don't have to be 100% accurate, but I don't want to butcher the Japanese language either.
Thanks again!