Recorder idea: Students stand in a circle with both hands in a fist in front of body. Teacher (or student who is "it") touches each fist on the beat as students sing. On "you," student puts fist behind back. If both fists of a student are "out," student goes back to seat and plays the song on the recorder while other students continue to play.
Boomwhacker lesson
Visual aide on a 3-lined staff
Downloadable performance track
Circle activity
In-depth lesson plan
Cute program idea.