Here are some links to our favourite websites:
Music
Virtual Keyboard:
http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/music/piano/organ.htm
Geography
Europa Go: http://europa.eu/europago/welcome.jsp
http://www.sheppardsoftware.com/World_Continents.htm
http://www.sheppardsoftware.com/World_Continents.htm
History:
hyyp://www.history.co.uk/this-day-in-history.html
Miscellaneous
Logic Games: http://www.mathplayground.com/logicgames.html