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        void ofApp::setup(){
    playing = true;
    note = 60;

    manager.setup();
    manager.toggleDebugUI();
    manager.add(&chain1, "tal-1", ofColor::blue);
    manager.add(&chain2, "tal-2", ofColor::red);

    bpm.setBpm(160);
    ofAddListener(bpm.beatEvent, this, &ofApp::play);
    bpm.start();
}

void ofApp::play(void){
    if(playing) {
        chain1.midi()->sendNoteOn(1, note);
        chain2.midi()->sendNoteOn(1, note);
    }
}

void ofApp::togglePlaying() {
    playing = !playing;
    if(!playing) {
        chain1.midi()->sendNoteOff(1, note);
        chain2.midi()->sendNoteOff(1, note);
    }
}

void ofApp::update(){
    manager.update();
    
    val = ofMap(sin(ofGetFrameNum() * 0.04), -1, 1, 30, 59);
    chain1.getReverb()->set(kReverbParam_DryWetMix, val);
}