Asuro starts playing song 'Jesus bleibt mein Freude' from Bach. It's playing the song with it's engines! Frontswitches (No. 1 is front left near the dark infrared led.) No. 1. Playing song (low pitch), stop, playing higher pitch, stop ,playing lower pitch, stop, repeat... No. 2. Bottom left/right tracksensor sensors control pitch of left/right engine/speakers, stop, repeat... No. 3. Left/right wheel distance sensors control pitch of left/right engine/speakers, stop, repeat... No. 4. Playing synthesizer sounds (low pitch), stop, playing higher pitch, stop, repeat... No. 5. Playing like a siren (low pitch), stop, playing high itch, stop, repeat... No. 6. Using Hyperterminal computer keyboard keys like playing a keyboard using keys a,s,e,d,r,f,g,h,u,j,i,k,l,p,;,[,',\, '1' toggles between low/high pitch 'q' toggles right engine of in low pitch mode (due to high current drawn from both engines Asuro may hang) If No. 6. hangs itself then press switch 6 twice (stop/start) and then first press 'q' key before starting playing.