Not a bad idea but to some extent there are some moves to correct a few of the problems presented by this Act.

Yesterday, Mon 11 December 2006, DCMS published its 'simplification plan', part of a government drive to cut red tape and associated costs:
http://www.culture.gov.uk/Reference_library/Publications/archive_2006/simplificationplan_2006.htm

Licensing is the focus of the DCMS response to the Better Regulation Commission (BRC). Among the measures proposed is 'Clarification of "incidental" music provisions':

'To make clear in legislation that the policy intention is to exclude e.g. carol singers, buskers, puppet shows for children and poetry readings from requiring a licence. This measure would most likely be delivered via regulation / and or Guidance.'
['Lifting the burden - Improving and realising community capacity', DCMS December 2006, 'Areas to be explored to achieve further reductions in administrative burdens', p23, para H - see URL above]

The deadline for implementation of any agreed changes is March 2007. Note that the Act includes a provision that allows the Secretary of State by order to add, vary or remove descriptions of entertainment (Schedule 1, Part 1, para 4

See the big thread for more details.