Is 16 a plug hole?...

Not in our house it isn't. That one  gleams.

OK, time for the answers I think.
Thanks for everyone who has put forward answers and opinions and discussion.
Some of them have been truly inspired, some seem to have come from nowhere, and some have been meticulously studied.
So thank you everyone.
Here are the full results.

I got 6.....if I count a trumpet as a trombone(lol)....looks the same from that angle

awww, was just doing this :-( Got cricket pad, ferrule and trombone wrong

Pretty much as I thought.

What's wrong with this bloody site?

I posted all those answers and it left gaps in my post!

Tough luck Blizzie.
At least we all recognise your knowledge. 

Cheers, brisket.

*** weeps, silently ***

Thanks for the answers Brisket.
Now are you absolutely certain that Big Bird doesn't qualify as a budgie?

Oh dear Yogi, I do wish we could reach a compromise, but sadly on this occasion.....

Thanks for the puzzle brisket really enjoyed it...

No worries Brisket, and thank you for the thread.