VST-plugin «Brandulator» creates special audio-effect with a peculiar sounding which is similar to a flanger, a vocoder and a harmonizer, but has other principle of operation in case of which the input signal branches on three channels of processing by the set-up comb filters, the tonality of their setup can will change to 16 times for a clock period (Bar). The effect also performs functions of the peculiar arpeggiator functioning synchronously with DAW therefore the detail design shall have the corresponding musical size though it isn't mandatory. Tonalities of settings of each channel can be set as in manual by means of governing bodies, and is accidental according to the given harmonic law selected from the list numbering about three hundred different harmonies. Randomization of tonalities can be made both manually, and automatically at the beginning of everyone 1,2,3. 8th clock period. This plug-in is the free software (Freeware).