This is an easy to use site for sharing music and podcast audio files and talk about them. The group can upload your files together. Share a link to invite into the room. Sadly, the rooms not password protected, but making the room name, and therefore the link suitable cryptic will make it unlikely anyone will stumble across it.
http://ictmagic.wikispaces.com/ICT+%26+Web+Tools
An amazing download for PC and mobile devices allows users to communicate by 'push-to-talk' in a walkie-talkie style. A great resource for communicating on school trips, host a virtual meeting, or just getting teachers/students communicating across your school.
http://ictmagic.wikispaces.com/ICT+%26+Web+Tools
A superb place to find games and questions for the whole of the maths curriculum. Join for free to track progress or just play the games.
http://ictmagic.wikispaces.com/Maths
A widely used site that has thousands of resources to help you to get your class singing. Stream and download music and find lyrics to use in your class. Use the whiteboard option to sync the music and words.
http://ictmagic.wikispaces.com/Music%2C+Sound+%26+Podcasts
Y5/6 Teacher on Mersea Island, Colchester - Sharing ICT & other School resources on twitter & my websites http://ictmagic.wikispaces.com. Twitter @ICTmagic