BBC television cameras are at the Royal Albert Hall, London, for a live transmission of part of the final concert in the 74th season of Henry Wood Promenade Concerts. BBC Symphony Orchestra Led by Hugh Maguire Conductor, Colin Davis Sybil Michelow, contralto Introduced by Richard Baker. This occasion is steeped in tradition, which is very jealously guarded by the enthusiastic Promenaders. But this year sees two 'firsts'. Although Colin Davis stepped in for Sir Malcolm Sargent last year, this is his first official 'Last Night.' And South African - born contralto Sybil Michelow makes her 'Last Night' debut as the soloist in 'Rule, Britannia.'