Brings up a window which allows the user to change the current key of the Tuneblocks in the Playroom Area and in the Blocks Area. Key changes are made by clicking on the letters around the picture of the circle of fifths. The key signature changes with each selection of a new key or mode.
Click on the Minor button to see a picture of the minor mode circle of fifths keys.
Clicking on "Play" after selecting a new key will play the Blocks in the Playroom Area in the selected new key. Clicking on "Cancel" will return the key setting to its initial position. If a new key is selected, clicking on "Okay" will close the window and transpose all the music in the Playroom Area and Blocks Area to the newly selected key. Graphics for Tuneblocks in the Playroom Area will move along with the change in key.
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