Professor Welch on BBC Radio4

http://news.bbc.co.uk/today/hi/today/newsid_8003000/8003683.stm With over 20 million views on the video sharing website YouTube and features appearing in newspapers around the world, the overnight stardom of Britain's Got Talent contestant Susan Boyle has highlighted the quality - and popularity - of choirs in the UK. Stephen Rhys, conductor of the Putney Choral Society, the choir itself, and Graham Welch, professor of music education at the Institute of Education in London, explain the benefits of being in a choir.