Add User Drum Click on the Add User Drum button and type the new Drum Name into the resulting dialog box; then click OK. The new User Drum Name will be accessible within the Drum Name pop-up menu found in the Drum Sets dialog and the Drums display of the Graphic Editor window. All User Drum Names are saved to the current Drum Set file, which is saved to a resource file within the Metro application (Metro is limited to 128 User Drum Names per Drum Set file). Click the Save and Done button to save changes and exit the Drum Sets dialog box; click the Done button to exit the Drum Sets dialog without saving. Click and hold the mouse on the Remove User Drum pop-up menu and choose an available Drum Name in order to remove it from the current list of User Drum Names for the selected Drum Set. Removing a User Drum Name removes the Drum Name from the Drum Set list in the resource file within the Metro application. Click the Save and Done button to save changes and exit the Drum Sets dialog box; click the Done button to exit the Drum Sets dialog without saving changes.