Even if you're playing the most well-known repertoire under the sun, I still believe you have a responsibility as an artist to tell the audience why you're playing it, what are the key aspects to it, and then throw in a bit about its historical context.
I most definitely would not buy the 'Daily Mail,' which pours a kind of livid torpor into the eyelids of the average Brit - I skimmed through a copy recently and couldn't believe the rubbish in it.
[As a conductor] there has to be, between me and the orchestra, an unshakable bond of trust, born out of mutual respect, through which we can spin a musical narrative that we all believe in.