bassdrum detection

Jon Harris wrote:

> I think the problem is that, especially with dance music, the 
> "bass drum" sound
> is often not really produced by a bass drum.  It may be
> synthetically generated and have no real connection to an actual
> physical bass drum.

There might be a sync output, then (at least a flashing LED)...

However, I guess, that the solution should work, too, in the usual 
DJ environment with nothing live at all...

Bernhard