http://soundcloud.com/groups/search?q=musicinlondon (copy & paste this link)
This is Music in London link page to http://www.soundcloud.com.
Click the group links on the left to join the Music in London Groups from the above website where you can record and upload your own sounds and music for sharing( nb the above buttons are dummy buttons only, go to http://www.soundcloud.com and sign up to upload music to the cloud
