[r-t] Minor principles

[Alexander Holroyd]

> One word: music!

Err - but aren't the musical qualities you are after lost when you start
getting into extents?
>
> > I don't think this is possible (or at least not without roughly one
> > call per lead).

Unless I'm missing something you would need the 1234 single _every_ lead,
and then some other calls elsewhere, in which case isn't it debatable
whether you are genuinely ringing the method!?

cheers, ander