If you own a copy of Music Ace, the first title in the Music Ace Series, and you are using an external MIDI keyboard, you may need to reconfigure QuickTime to work with Music Ace. The steps for setting up QuickTimeÆ 3.0 so that external MIDI works properly with Music Ace and OMS are:

• Open Quick Time Settings at Apple Menu:Control Panel:QuickTime Settings.
• Select Music from the drop-down menu.
• Press the button labeled "Edit List".

• If you do not see any synthesizers listed, then press the "Add" button on the lower left corner of the window.
• Under the "Synthesizer" column, choose "General MIDI."
• Under the MIDI Port column, there will appear to be two options for Modem or Printer, whichever port your MIDI keyboard is connected to. While they do not appear to be different, only one choice will work. It will likely be the second option, but you may have to try both to figure out which one will work for you.
• In the lower left corner of the window, select Modem or Printer port for MIDI Input.
• Press the "OK" button in the lower right corner to save your settings.
• After starting up Music Ace, press the space bar and go to the options menu that appears on the top of the screen. Make sure that "Enable MIDI Input" is checked.