". . . with more emphasis being placed on headline acts, and a contemporary dimension being introduced" says it all.

Just what we need. More work and exposure for them as already Has.

to balance the traditional festival with some modernity.

Yeah. You sure wouldn't find THAT anywhere else.

organisers [are] placing more focus on the nights, as the evening concerts are the most popular part of the weekend.

Spoken like a true "business and entertainment manager".

You can leave a comment on their page and voice your reactions directly if you care to. Be sure to un-tick the pre-selected Post On Facebook box unless you want it seen by all and sundry there. They don't miss a PR trick, do they? There isn't one positive reaction, I notice (so far, anyway).