http://www.youtube.com/view_play_list?p=11250783B00089E8 The Roland GR-20 Guitar Synthesizer is the latest guitar synth in a long line of guitar synths from Roland. The videos above offer Roland’s official introductions to the GR-20. To use the GR-20, you: Attach the included GK-3 Divided Pickup to your steel-stringed electric (no drilling necessary). Second, select the type of sound you… Read More The Roland GR-20 Guitar Synthesizer