diff --git a/modulators.js b/modulators.js
index 483c889..fc8b991 100644
--- a/modulators.js
+++ b/modulators.js
@@ -10,6 +10,11 @@ const MODPARAMOPTIONS = ["NONE", "stream", "pulse_length", "eventfulness", "even
     "harmoniclarity", "melodic_cohesion", "melody_scope", "tonic_pitch", "pitch_center", "pitch_range", "dynamics",
     "attenuation", "chordal_weight", "tonality-profile", "ostinato-buffer", "ostinato", "meter", "scale"];
 
+const PhaseTypes = Object.freeze({
+    MUSICAL:   Symbol("musical"),
+    TIME:  Symbol("time")
+    });
+
 function ControlType(){
     return e('select', {className: 'control-type'}, Option("LFO"));
 }
@@ -80,9 +85,15 @@ function operateModulators(visibleArr, instanceNumArr, paramNames, centers, freq
 
 function operateModulator(center, inst, freq, min, max, waveType, phaseArr, phaseI, userDefinedWave, name, currTime, bpm, beatsInMeasure){
     let amp = parseFloat(max) - parseFloat(min);
+    let phaseType;
     
-    freq = parseLfoTime(freq, bpm, beatsInMeasure);
-    let phase = (currTime * freq + parseFloat(phaseArr[phaseI])) % 1.00;
+    freq, phaseType = parseLfoTime(freq, bpm, beatsInMeasure);
+    let phase;
+
+    if (phaseType === PhaseTypes.TIME)
+        phase = (currTime * freq + parseFloat(phaseArr[phaseI])) % 1.00;
+    else if (phaseType === PhaseTypes.MUSICAL)
+        phase = 0; // needs to be worked on
     let unscaled = indexWave(waveType, phase, userDefinedWave);
     let el = document.getElementById(`slider-${inst}-${name}`);
     
@@ -95,19 +106,19 @@ function operateModulator(center, inst, freq, min, max, waveType, phaseArr, phas
 
 function parseLfoTime(lfoTime, bpm, beatsInMeasure){
     if (lfoTime.slice(-2) == "hz"){
-        return parseFloat(lfoTime.slice(0, -2));
+        return parseFloat(lfoTime.slice(0, -2)), PhaseTypes.TIME;
     }
     else if (lfoTime.slice(-2) == "ms"){
-        return 1000 / parseFloat(lfoTime.slice(0, -2));
+        return 1000 / parseFloat(lfoTime.slice(0, -2)), PhaseTypes.TIME;
     }
     else if (lfoTime.slice(-1) == "s"){
-        return 1 / parseFloat(lfoTime.slice(0, -1));
+        return 1 / parseFloat(lfoTime.slice(0, -1)), PhaseTypes.TIME;
     }
     else if ((lfoTime.match(/:/g) || []).length == 2){
-        return 1 / moment.duration(lfoTime).asSeconds();
+        return 1 / moment.duration(lfoTime).asSeconds(), PhaseTypes.TIME;
     }
     else if ((lfoTime.match(/\./g) || []).length == 2){
-        return musicalTimingToFreq(...lfoTime.split('.'), bpm, beatsInMeasure)
+        return musicalTimingToFreq(...lfoTime.split('.'), bpm, beatsInMeasure), PhaseTypes.MUSICAL
     }
     else {
         return 0;