Behavior contracts, rules and good ol' affirmation are the key points in this page. A music classroom is a unique place in that it can get very noisy very quickly, and so an established classroom routine and set of rules are essential to the smooth running of a music classroom. Somewhat lengthy, but the ideas presented are applicable in virtually any classroom.

Beth Lewis outlines her ideas around class meetings and community circles. Practical, useful and definitely applicable to multiple grade levels. Try it out if you want to work on character development or building community in your classroom.

This page outlines common mistakes of all teachers, as well as tips and ideas to avoid finding yourself in a bad situation. The first 3 pertain particularly to issues of classroom management.

Kelly Hayden claims that these are the top 5 classroom management strategies and that they really work!
It is short and doesn't really bring any new or exciting ideas, but check out strategy #1. It impressed me.