(a) What informed the decision to appoint Mr Bongani Tembe as the Chief Executive Officer and Director of Artistry in both the Johannesburg Philharmonic Orchestra and KwaZulu-Natal Philharmonic Orchestra, since the specified person is also an active member of the National Arts Council and (b) which precautionary measures have been put in place to ensure that the person is not biased towards funding orchestras and/or organisations in which the person has personal interests?