I'd Like to Teach the World to Sing

We sing a lot at MCP.  We sing when we want the children line up. We sing when we want the children to sit down.  We sing to get their attention.  We also sing to teach concepts and just for fun.  What do we sing? 

School songs---
http://metamoracommunityprek.blogspot.com/2013/09/sticky-sticky-bubblegum.html

http://metamoracommunityprek.blogspot.com/2011/09/calendar.html