I am constantly looking for good online tools to help teach my students the concepts of music theory and how to help them play their instrument better. Today I found a VERY nice site called MusicTheory.net that has many different tutorials and mini-quiz generators to help students and adults learn a variety of different things. My personal favorite is their brass instrument fingering game. It shows you a note and using the cursor keys the same way you press the buttons on a brass instrument, you enter your response. You can even choose how hard or easy to make it so even a new beginner can make use of this and many more tools on this great music theory web site! Most of the tutorials and applets are built in Macromedia Flash so a current Flash player must be installed on your system to run them.