ocr: Sound Check Guitar Workshop uses MIDI (Musical Instrument Digital Interface] to play songs. The MIDI signals can be directed tot the synthesizer chip on your sound card or to an external MIDI synthesizer. Before continuing with this tutorial, you should make sure GuitarWorkshop is configured to work properly with your sound card. Click the mouse anywhere on the fretboard above- if you heard a sound, you can continue. IF not, you need to use the SETUP button to configure your sound card. There is a short lesson on using the SETUP button. Ifyou do not hear anything when clicking on the tretboard ...