
Originally Posted by
french frank
One answer is that now Radio 3 is, like most others, a 24-hour broadcaster. TTN is beamed out to many countries in Europe, so for their schedules it has to start and finish on time. The post concert interval is the kind of live buffer needed to control timings so that you don't end up playing all Monday's programmes on Tuesday ...
It would be useful if it was announced, with an approximate start time, as 'An impromptu selection of music'. And the playlist then published.