diff --git a/build.gradle.kts b/build.gradle.kts
index 49fda3d..67c026c 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,7 +3,7 @@ import org.jetbrains.kotlin.gradle.plugin.KotlinJsCompilerType.IR
 import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackOutput.Target.VAR
 
 plugins {
-    kotlin("multiplatform") version "1.9.10"
+    kotlin("multiplatform") version "1.9.23"
     application
 }
 
@@ -81,7 +81,7 @@ application {
 }
 
 tasks.named<Copy>("jvmProcessResources") {
-    val jsBrowserDistribution = tasks.named("jsBrowserDevelopmentWebpack")
+    val jsBrowserDistribution = tasks.named("jsBrowserDistribution")
     from(jsBrowserDistribution)
     from(tasks.named("jsAudioWorkletBrowserDistribution"))
     from(tasks.named("jsWorkletBrowserDistribution"))
diff --git a/src/commonMain/kotlin/Note.kt b/src/commonMain/kotlin/Note.kt
deleted file mode 100644
index 803129b..0000000
--- a/src/commonMain/kotlin/Note.kt
+++ /dev/null
@@ -1,165 +0,0 @@
-import kotlin.math.max
-import kotlin.math.min
-import kotlin.math.pow
-
-/**
- * User: rnentjes
- * Date: 14-11-15
- * Time: 11:50
- */
-
-
-enum class Note(
-  val description: String
-) {
-  C0("C-0"),
-  C0s("C#0"),
-  D0("D-0"),
-  D0s("D#0"),
-  E0("E-0"),
-  F0("F-0"),
-  F0s("F#0"),
-  G0("G-0"),
-  G0s("G#0"),
-  A0("A-0"),
-  A0s("A#0"),
-  B0("B-0"),
-  C1("C-1"),
-  C1s("C#1"),
-  D1("D-1"),
-  D1s("D#1"),
-  E1("E-1"),
-  F1("F-1"),
-  F1s("F#1"),
-  G1("G-1"),
-  G1s("G#1"),
-  A1("A-1"),
-  A1s("A#1"),
-  B1("B-1"),
-  C2("C-2"),
-  C2s("C#2"),
-  D2("D-2"),
-  D2s("D#2"),
-  E2("E-2"),
-  F2("F-2"),
-  F2s("F#2"),
-  G2("G-2"),
-  G2s("G#2"),
-  A2("A-2"),
-  A2s("A#2"),
-  B2("B-2"),
-  C3("C-3"),
-  C3s("C#3"),
-  D3("D-3"),
-  D3s("D#3"),
-  E3("E-3"),
-  F3("F-3"),
-  F3s("F#3"),
-  G3("G-3"),
-  G3s("G#3"),
-  A3("A-3"),
-  A3s("A#3"),
-  B3("B-3"),
-  C4("C-4"),
-  C4s("C#4"),
-  D4("D-4"),
-  D4s("D#4"),
-  E4("E-4"),
-  F4("F-4"),
-  F4s("F#4"),
-  G4("G-4"),
-  G4s("G#4"),
-  A4("A-4"),
-  A4s("A#4"),
-  B4("B-4"),
-  C5("C-5"),
-  C5s("C#5"),
-  D5("D-5"),
-  D5s("D#5"),
-  E5("E-5"),
-  F5("F-5"),
-  F5s("F#5"),
-  G5("G-5"),
-  G5s("G#5"),
-  A5("A-5"),
-  A5s("A#5"),
-  B5("B-5"),
-  C6("C-6"),
-  C6s("C#6"),
-  D6("D-6"),
-  D6s("D#6"),
-  E6("E-6"),
-  F6("F-6"),
-  F6s("F#6"),
-  G6("G-6"),
-  G6s("G#6"),
-  A6("A-6"),
-  A6s("A#6"),
-  B6("B-6"),
-  C7("C-7"),
-  C7s("C#7"),
-  D7("D-7"),
-  D7s("D#7"),
-  E7("E-7"),
-  F7("F-7"),
-  F7s("F#7"),
-  G7("G-7"),
-  G7s("G#7"),
-  A7("A-7"),
-  A7s("A#7"),
-  B7("B-7"),
-  C8("C-8"),
-  C8s("C#8"),
-  D8("D-8"),
-  D8s("D#8"),
-  E8("E-8"),
-  F8("F-8"),
-  F8s("F#8"),
-  G8("G-8"),
-  G8s("G#8"),
-  A8("A-8"),
-  A8s("A#8"),
-  B8("B-8"),
-  NONE("---"),
-  END("XXX"),
-  UP("^^^"),
-  ;
-
-  val freq: Double by lazy {
-     val ordinal = ordinal
-     val relNote = ordinal - A4.ordinal
-
-     440.0 * 2.0.pow(relNote/12.0)
-   }
-  val cycleLength: Double by lazy { 1.0 / freq }
-  val sampleDelta: Double by lazy { (1.0 / sampleRate.toDouble()) / cycleLength }
-
-  fun transpose(semiNotes: Int): Note = if (ordinal >= C0.ordinal && ordinal <= B8.ordinal) {
-    var result = this.ordinal + semiNotes
-
-    result = min(result, B8.ordinal)
-    result = max(result, C0.ordinal)
-
-    values().firstOrNull { it.ordinal == result } ?: this
-  } else {
-    this
-  }
-
-  companion object {
-    var sampleRate: Int = 44100
-  }
-
-  /*
-   * Amount of one cycle to advance per sample
-   */
-/*
-  fun sampleDelta(): Double {
-    // 44100
-    val sampleRate = sampleRate
-    val time = 1f / sampleRate.toDouble()
-
-    return time / cycleLength
-  }
-*/
-
-}
diff --git a/src/commonMain/kotlin/common/Note.kt b/src/commonMain/kotlin/common/Note.kt
new file mode 100644
index 0000000..172c19b
--- /dev/null
+++ b/src/commonMain/kotlin/common/Note.kt
@@ -0,0 +1,179 @@
+package common
+
+import kotlin.math.max
+import kotlin.math.min
+import kotlin.math.pow
+
+/**
+ * User: rnentjes
+ * Date: 14-11-15
+ * Time: 11:50
+ */
+
+var sampleRate = 44100
+  set(value) {
+    field = value
+    for (note in Note.values()) {
+      note.sampleDelta = (1.0 / sampleRate.toDouble()) / note.cycleLength
+    }
+  }
+//var samplesPerEntry = 5512
+
+enum class Note(
+  val sharp: String,
+  val flat: String
+) {
+  NONE("---", "---"),
+  NO02("",""),
+  NO03("",""),
+  NO04("",""),
+  NO05("",""),
+  NO06("",""),
+  NO07("",""),
+  NO08("",""),
+  NO09("",""),
+  NO10("",""),
+  NO11("",""),
+  NO12("",""),
+  C0("C-0","C-0"),
+  C0s("C#0","Db0"),
+  D0("D-0","D-0"),
+  D0s("D#0","Eb0"),
+  E0("E-0","E-0"),
+  F0("F-0","F-0"),
+  F0s("F#0","Gb0"),
+  G0("G-0","G-0"),
+  G0s("G#0","Ab0"),
+  A0("A-0","A-0"),
+  A0s("A#0","Bb0"),
+  B0("B-0","B-0"),
+  C1("C-1","C-1"),
+  C1s("C#1","Db1"),
+  D1("D-1","D-1"),
+  D1s("D#1","Eb1"),
+  E1("E-1","E-1"),
+  F1("F-1","F-1"),
+  F1s("F#1","Gb1"),
+  G1("G-1","G-1"),
+  G1s("G#1","Ab1"),
+  A1("A-1","A-1"),
+  A1s("A#1","Bb1"),
+  B1("B-1","B-1"),
+  C2("C-2","C-2"),
+  C2s("C#2","Db2"),
+  D2("D-2","D-2"),
+  D2s("D#2","Eb2"),
+  E2("E-2","E-2"),
+  F2("F-2","F-2"),
+  F2s("F#2","Gb2"),
+  G2("G-2","G-2"),
+  G2s("G#2","Ab2"),
+  A2("A-2","A-2"),
+  A2s("A#2","Bb2"),
+  B2("B-2","B-2"),
+  C3("C-3","C-3"),
+  C3s("C#3","Db3"),
+  D3("D-3","D-3"),
+  D3s("D#3","Eb3"),
+  E3("E-3","E-3"),
+  F3("F-3","F-3"),
+  F3s("F#3","Gb3"),
+  G3("G-3","G-3"),
+  G3s("G#3","Ab3"),
+  A3("A-3","A-3"),
+  A3s("A#3","Bb3"),
+  B3("B-3","B-3"),
+  C4("C-4","C-4"),
+  C4s("C#4","Db4"),
+  D4("D-4","D-4"),
+  D4s("D#4","Eb4"),
+  E4("E-4","E-4"),
+  F4("F-4","F-4"),
+  F4s("F#4","Gb4"),
+  G4("G-4","G-4"),
+  G4s("G#4","Ab4"),
+  A4("A-4","A-4"),
+  A4s("A#4","Bb4"),
+  B4("B-4","B-4"),
+  C5("C-5","C-5"),
+  C5s("C#5","Db5"),
+  D5("D-5","D-5"),
+  D5s("D#5","Eb5"),
+  E5("E-5","E-5"),
+  F5("F-5","F-5"),
+  F5s("F#5","Gb5"),
+  G5("G-5","G-5"),
+  G5s("G#5","Ab5"),
+  A5("A-5","A-5"),
+  A5s("A#5","Bb5"),
+  B5("B-5","B-5"),
+  C6("C-6","C-6"),
+  C6s("C#6","Db6"),
+  D6("D-6","D-6"),
+  D6s("D#6","Eb6"),
+  E6("E-6","E-6"),
+  F6("F-6","F-6"),
+  F6s("F#6","Gb6"),
+  G6("G-6","G-6"),
+  G6s("G#6","Ab6"),
+  A6("A-6","A-6"),
+  A6s("A#6","Bb6"),
+  B6("B-6","B-6"),
+  C7("C-7","C-7"),
+  C7s("C#7","Db7"),
+  D7("D-7","D-7"),
+  D7s("D#7","Eb7"),
+  E7("E-7","E-7"),
+  F7("F-7","F-7"),
+  F7s("F#7","Gb7"),
+  G7("G-7","G-7"),
+  G7s("G#7","Ab7"),
+  A7("A-7","A-7"),
+  A7s("A#7","Bb7"),
+  B7("B-7","B-7"),
+  C8("C-8","C-8"),
+  C8s("C#8","Db8"),
+  D8("D-8","D-8"),
+  D8s("D#8","Eb8"),
+  E8("E-8","E-8"),
+  F8("F-8","F-8"),
+  F8s("F#8","Gb8"),
+  G8("G-8","G-8"),
+  G8s("G#8","Ab8"),
+  A8("A-8","A-8"),
+  A8s("A#8","Bb8"),
+  B8("B-8","B-8"),
+  C9("C-9","C-9"),
+  C9s("C#9","Db9"),
+  D9("D-9","D-9"),
+  D9s("D#9","Eb9"),
+  E9("E-9","E-9"),
+  F9("F-9","F-9"),
+  F9s("F#9","Gb9"),
+  G9("G-9","G-9"),
+  // out of midi range
+  //G9s("G#9","Ab9"),
+  //A9("A-9","A-9"),
+  //A9s("A#9","Bb9"),
+  //B9("B-9","B-9"),
+  UP("^^^","^^^"),
+  END("XXX","XXX"),
+  ;
+
+  // 69 = A4.ordinal
+  val freq: Double = 440.0 * 2.0.pow((ordinal - 69)/12.0)
+  val cycleLength: Double = 1.0 / freq
+  var sampleDelta: Double = (1.0 / sampleRate.toDouble()) / cycleLength
+
+  fun transpose(semiNotes: Int): Note = if (ordinal >= C0.ordinal && ordinal <= G9.ordinal) {
+    var result = this.ordinal + semiNotes
+
+    result = min(result, G9.ordinal)
+    result = max(result, C0.ordinal)
+
+    values().firstOrNull { it.ordinal == result } ?: this
+  } else {
+    this
+  }
+
+}
diff --git a/src/jsAudioWorkletMain/kotlin/AudioProcessor.kt b/src/jsAudioWorkletMain/kotlin/AudioProcessor.kt
index e603b09..f88ba3a 100644
--- a/src/jsAudioWorkletMain/kotlin/AudioProcessor.kt
+++ b/src/jsAudioWorkletMain/kotlin/AudioProcessor.kt
@@ -1,3 +1,4 @@
+import common.Note
 import org.khronos.webgl.Float32Array
 import org.khronos.webgl.set
 import org.w3c.dom.MessageEvent
@@ -28,6 +29,8 @@ class AudioProcessor : AudioWorkletProcessor() {
 
   init {
     this.port.onmessage = ::handleMessage
+
+    common.sampleRate = sampleRate
   }
 
   private fun handleMessage(message: MessageEvent) {
@@ -40,7 +43,7 @@ class AudioProcessor : AudioWorkletProcessor() {
         "start" -> {
           println("Start worklet!")
 
-          Note.sampleRate = sampleRate
+          common.sampleRate = sampleRate
           started = true
         }
         "stop" -> {
@@ -92,7 +95,7 @@ class AudioProcessor : AudioWorkletProcessor() {
       }
 
       note?.also { activeNote ->
-        var delta = activeNote.sampleDelta
+        val delta = activeNote.sampleDelta
         val samples = outputs[0][0].length
         val left = outputs[0][0]
         val right = outputs[0][1]
diff --git a/src/jsAudioWorkletMain/kotlin/Externals.kt b/src/jsAudioWorkletMain/kotlin/Externals.kt
index 24b18c4..7087052 100644
--- a/src/jsAudioWorkletMain/kotlin/Externals.kt
+++ b/src/jsAudioWorkletMain/kotlin/Externals.kt
@@ -1,6 +1,26 @@
 import org.khronos.webgl.Float32Array
 import org.w3c.dom.MessagePort
 
+
+enum class AutomationRate(
+  val rate: String
+) {
+  A_RATE("a-rate"),
+  K_RATE("k-rate")
+}
+
+interface AudioParam {
+  var value: Double
+  var automationRate: AutomationRate
+  val defaultValue: Double
+  val minValue: Double
+  val maxValue: Double
+}
+
+interface AudioParamMap {
+  operator fun get(name: String): AudioParam
+}
+
 abstract external class AudioWorkletProcessor {
   /** [MDN Reference](https://developer.mozilla.org/docs/Web/API/AudioWorkletNode/parameters) */
   //val parameters: AudioParamMap;
@@ -19,3 +39,4 @@ abstract external class AudioWorkletProcessor {
 
 external fun registerProcessor(name: String, processorCtor: JsClass<*>)
 external val sampleRate: Int
+external val currentTime: Double
diff --git a/src/jsMain/kotlin/nl/astraeus/AudioProcessorNode.kt b/src/jsMain/kotlin/nl/astraeus/AudioProcessorNode.kt
index df0a8e7..18800fe 100644
--- a/src/jsMain/kotlin/nl/astraeus/AudioProcessorNode.kt
+++ b/src/jsMain/kotlin/nl/astraeus/AudioProcessorNode.kt
@@ -1,6 +1,6 @@
 package nl.astraeus
 
-import Note
+import common.Note
 import nl.astraeus.handler.AudioNode
 import org.w3c.dom.MessageEvent
 import org.w3c.dom.MessagePort
@@ -68,4 +68,4 @@ class AudioProcessorNode(
       arrayOf(port2)
     )
   }
-}
\ No newline at end of file
+}
diff --git a/src/jsMain/kotlin/nl/astraeus/Main.kt b/src/jsMain/kotlin/nl/astraeus/Main.kt
index 066b9bc..29377b6 100644
--- a/src/jsMain/kotlin/nl/astraeus/Main.kt
+++ b/src/jsMain/kotlin/nl/astraeus/Main.kt
@@ -1,5 +1,6 @@
 package nl.astraeus
 
+import common.Note
 import kotlinx.browser.document
 import kotlinx.browser.window
 import nl.astraeus.handler.AudioModule
@@ -8,9 +9,6 @@ import org.w3c.dom.HTMLInputElement
 import org.w3c.dom.MessageChannel
 import org.w3c.dom.MessagePort
 
-
-
-
 fun createWorkletSetPortMessage(
   command: String,
   port: MessagePort
@@ -90,21 +88,42 @@ fun main() {
       }
     }, "")
   }
-  document.getElementById("note_c3")?.also {
-    it.addEventListener("click", {
-      node1?.play(Note.C3)
-      node2?.play(Note.C3)
-    }, "")
-    }
-  document.getElementById("note_e3")?.also {
-    it.addEventListener("click", {
-      node1?.play(Note.C3)
-      node2?.play(Note.G3)
+
+  document.getElementById("harmonics")?.also {
+    it.addEventListener("change", {
+      val target = it.target
+      if (target is HTMLInputElement) {
+        node1?.harmonic(target.value.toInt())
+      }
     }, "")
   }
-  document.getElementById("note_g3")?.also {
+  document.getElementById("note_c3_1")?.also {
+    it.addEventListener("click", {
+      node1?.play(Note.C3)
+    }, "")
+    }
+  document.getElementById("note_e3_1")?.also {
+    it.addEventListener("click", {
+      node1?.play(Note.E3)
+    }, "")
+  }
+  document.getElementById("note_g3_1")?.also {
     it.addEventListener("click", {
       node1?.play(Note.G3)
+    }, "")
+  }
+  document.getElementById("note_c3_2")?.also {
+    it.addEventListener("click", {
+      node2?.play(Note.C3)
+    }, "")
+  }
+  document.getElementById("note_e3_2")?.also {
+    it.addEventListener("click", {
+      node2?.play(Note.E3)
+    }, "")
+  }
+  document.getElementById("note_g3_2")?.also {
+    it.addEventListener("click", {
       node2?.play(Note.G3)
     }, "")
   }
diff --git a/src/jsMain/kotlin/nl/astraeus/handler/AudioModule.kt b/src/jsMain/kotlin/nl/astraeus/handler/AudioModule.kt
index a52585b..e9c8841 100644
--- a/src/jsMain/kotlin/nl/astraeus/handler/AudioModule.kt
+++ b/src/jsMain/kotlin/nl/astraeus/handler/AudioModule.kt
@@ -69,7 +69,7 @@ abstract class AudioNode(
         node.connect(module.audioContext.destination)
       } else {
         node.connect(destination, outputIndex, inputIndex)
-       }
+      }
 
       node.port.onmessage = ::onMessage
 
@@ -80,5 +80,4 @@ abstract class AudioNode(
       done(node)
     }
   }
-
-}
\ No newline at end of file
+}
diff --git a/src/jsWorkletMain/kotlin/nl/astraeus/worklet/Main.kt b/src/jsWorkletMain/kotlin/nl/astraeus/worklet/Main.kt
index 7e4608b..effab7f 100644
--- a/src/jsWorkletMain/kotlin/nl/astraeus/worklet/Main.kt
+++ b/src/jsWorkletMain/kotlin/nl/astraeus/worklet/Main.kt
@@ -16,7 +16,7 @@ fun main() {
     if (event is MessageEvent) {
       val data: dynamic = event.data
 
-      console.log("DATA: ", data, data?.command == "audio-processor-message-port")
+      console.log("WL DATA: ", data, data?.command == "audio-processor-message-port")
       if (data?.command == "audio-processor-message-port") {
         port = data.port
         port?.onmessage = {
diff --git a/src/jvmMain/kotlin/IndexHtml.kt b/src/jvmMain/kotlin/IndexHtml.kt
index a8c0e3a..c0ddfc9 100644
--- a/src/jvmMain/kotlin/IndexHtml.kt
+++ b/src/jvmMain/kotlin/IndexHtml.kt
@@ -2,6 +2,7 @@ import kotlinx.html.HTML
 import kotlinx.html.InputType
 import kotlinx.html.body
 import kotlinx.html.div
+import kotlinx.html.h3
 import kotlinx.html.head
 import kotlinx.html.id
 import kotlinx.html.iframe
@@ -67,23 +68,46 @@ fun HTML.index() {
         id = "harmonics"
         type = InputType.number
         value = "3"
-        min = "1"
+        min = "0"
         max = "10"
       }
     }
+    h3 {
+      + "Node 1"
+    }
     div {
       input {
-        id = "note_c3"
+        id = "note_c3_1"
         type = InputType.button
         value = "C3"
       }
       input {
-        id = "note_e3"
+        id = "note_e3_1"
         type = InputType.button
         value = "E3"
       }
       input {
-        id = "note_g3"
+        id = "note_g3_1"
+        type = InputType.button
+        value = "G3"
+      }
+    }
+    h3 {
+      + "Node 2"
+    }
+    div {
+      input {
+        id = "note_c3_2"
+        type = InputType.button
+        value = "C3"
+      }
+      input {
+        id = "note_e3_2"
+        type = InputType.button
+        value = "E3"
+      }
+      input {
+        id = "note_g3_2"
         type = InputType.button
         value = "G3"
       }
diff --git a/src/jvmMain/kotlin/WorkletHtml.kt b/src/jvmMain/kotlin/WorkletHtml.kt
index 32225e8..4c474fb 100644
--- a/src/jvmMain/kotlin/WorkletHtml.kt
+++ b/src/jvmMain/kotlin/WorkletHtml.kt
@@ -30,7 +30,7 @@ fun HTML.worklet() {
         id = "harmonics"
         type = InputType.number
         value = "3"
-        min = "1"
+        min = "0"
         max = "10"
       }
     }