The longest choir http://festival.yorkshire.com/events/the-longest-choir-in-the-world

Street choir festival Hebden Bridge http://www.hebdenbridge.co.uk/news/2014/023.html
Download booking form here and bring money to next choir session if you would like to go.
http://streetchoirs2014.files.wordpress.com/2013/08/individual-booking-form.pdf