Got it. I just PMed you with some suggestions for places to look at pillows in Melbourne (including therapeutic pillows) but I guess it will be hard to get to those (quick detour into town on your way home from the airport?). I can imagine that the choice is more limited outside the city unless you can get to one of the larger regional towns like Bendigo, Ballarat, Geelong, Albury. And even then....

Hopefully at this time of year you won't have too much trouble with clothes drying as it is warm (but pouring today!).

From your description it does sound as if everything couldl fit into one suitcase anyway. Even jeans don't really take up that much room if you pack them well. And the case you have is very large. I'd do a trial pack before buying anything new. You could mail the sheet music? Don't know how long it would take to get to a regional address though.