Music file used by SmartMusic, a band, orchestra, and vocal music practice application; contains a customization of a SmartMusic Title; custom changes include altering tempos and cutting measures. To create a USR file: Open a title, click Customize, and choose an existing customization or add a new one by clicking "New Customization." Add your customizations. Right-click your customization, select Export..., name the file, choose the save location, and click Save. To import your USR file, open a title, click Customize, select "Import," navigate to the location of your USR file, and click Open.