LONDON (Reuters) – The British music society that commissioned Beethoven to write his Ninth Symphony and its “Ode to Joy” announced on Wednesday it will celebrate the society’s 2013 bicentenary by showing off its manuscript of the work on both sides of the Atlantic. The Royal Philharmonic Society, founded in London in January, 1813, also will sponsor performances of Beethoven’s last symphony, splash out on commissions of new music and will digitize its archive held at the British Library, the society announced in the London pub where its founders used to meet. …