ModIV Mod/Modulator modules

various amp modulation effect modules.

dspLoad 5.90/2.70/2.70

dspLoad 5.90/2.70/2.70
mp3: DrLp->Carrier, sineOsc->Mod,  some key notes played

dspLoad 5.90/2.70/2.70
mp3: DrLp->Carrier, sineOsc->Mod, with some notes played on the keyboard.