Add (Studio Button Bar)
Tap the Add button to display a menu of options for managing the contents of the Studio.
Install Instrument... - use a dialog to select an instrument module to install from Sound Quest's servers
Add Instrument... - add an instrument to the Studio from the list of already installed instrument modules
Add All - adds an instrument to the Studio for every instrument module currently installed in Midi Quest
Clear - removes the selected instrument module
New... - removes all instruments from the Studio