Silent disco 'freemob' on the South Bank.
Everyone can join in, regardless of age, ability or musical taste. Simply show up with your own music and headphones, and dance as you please for as little or as long as you like.
The organisers are encouraging people to wear black or yellow to create a really striking spectacle
Free to Dance is a year-long fundraising intiative by 32 year old teacher Ben Hammond, who in October this year will be attempting to break the world record for the longest ever dance (125 hours) at The Scoop at More London.
Related website: www.free2dance.com