The Sheffield Samba Band led the demo,
http://www.sheffieldsamba.org.uk/ and slogans shouted included "welfare not warfare" and "beds not bombs". There are more photos here:
http://www.indymedia.org.uk/en/regions/sheffield/2007/03/364138.html The notice of the demonstration is here:
http://www.indymedia.org.uk/en/regions/sheffield/2007/02/363790.html See also this report of the last health service demonstration in Sheffield:
http://www.indymedia.org.uk/en/regions/sheffield/2006/09/350422.html 
