Added sample event subscriber
Added sample event subscriber

billappleton/dsp-core,neroxing/dsp-core,bbreck3/dsp-core,billappleton/dsp-core,neroxing/dsp-core,bbreck3/dsp-core,bbreck3/dsp-core,bbreck3/dsp-core,billappleton/dsp-core,billappleton/dsp-core,neroxing/dsp-core,neroxing/dsp-core