1. If you're on a PC, make sure that you have a virtual MIDI utility installed. See page 21 in the manual for more details. We'll assume you're using MIDI Yoke.
2. Open the WordBuilder application
3. Create a new Tenors voice.
4. Set the MIDI input to your keyboard or host input.
5. Set the MIDI output to Virtual WordBuilder 1 on a Mac, or MIDI Yoke 1 on a PC.
6. Open V-Stack.
7. Load Symphonic Choirs into V-Stack.
8. Set the instrument's low range to C -2 (C negative 2)
9. Set the MIDI input for the track to Virtual WordBuilder 1, or MIDI Yoke 1 on a PC.
10. Set the channel to all.