Hi.

> I suggest that this is not a useful way to think about thinking.
> Some years ago I noticed that if the instruments were sufficiently
> distinct in timbre or pitch, <snip>

As I said before, there must be some parallel capacity since it is
possible to "pay attention" to a piece of music which is the composition
of many little songs.  I'd say the magic number is again 7±2.

Andres.