Elektron Musical Instruments

I can moderate group subscription... but since it will be bothering some ppl
(as I might be away from the comp for a weekend) and we're not flooded yet,
I didn't turn it on. I've banned a few addresses, we'll see what happens in
the near future.

> There is a way to block this by a moderated group but I don't know
> who can do this and how it's done.