QUOTE(noodle @ Jul 30 2007, 08:10 PM)

Cheat a bit!

Work it out from the grouping of notes in each bar! Is this the music I saw last week?
Yep, and then today in the music shop, I was flicking through some Blavet duets and that did it too
The '3' apparently means:
2:3 proportion (similar to triplets)