"Oh dear. I'm afraid I have been sent by the British Union of Pedants to disqualify all the above examples. They are all Nouns of Assembly. A collective noun does not include a description of the elements which constitute the single element - put simply NO 'OF'. Hence Parliament is a collective noun,"

Oh heck! Does that mean I can't have a weird beard of shanty singers? Or a sandals of concertina players?   I suppose a sanctimoniousness of unaccompanied singers is out of the question too. Ah well.