diff --git a/single-voice-synth.js b/single-voice-synth.js
index c206ea0..2a6dc87 100644
--- a/single-voice-synth.js
+++ b/single-voice-synth.js
@@ -64,12 +64,28 @@ window.onload = function() {
   console.log("hello world!");
   console.log(synth);
 
-  var selectedWaveType = document.querySelector("input[name='wave']");
-  selectedWaveType.addEventListener("change", () => {
-    let selectedWaveTypeValue = document.querySelector("input[name='wave']:checked").value; 
-    console.log("the value of the wave has changed to" + selectedWaveTypeValue);
-    synth.setOscWaveType(selectedWaveTypeValue);
+
+  var waveTypeChoicesButtons = document.querySelectorAll("input[name='wave']");
+  // waveTypeChoicesButtons.forEach((radio) => {
+  //   radio.addEventListener("change", (event) => {
+  //     if (event.target.checked) {
+  //       let selectedWaveType = event.target.value;
+  //       synth.setOscWaveType(selectedWaveType);
+  //     }
+  //   })
+  // })
+  
+  waveTypeChoicesButtons.forEach((rb) => {
+    rb.addEventListener("change", (event) => {
+      let selectedWave = document.querySelector("input[name='wave']:checked").value;
+      synth.setOscWaveType(selectedWave);
+    })
   })
+
+
+
+  console.info(waveTypeChoicesButtons);
+  console.log("the selected wave:" + waveTypeChoicesButtons);
   var detune = document.getElementById("detune");
   detune.addEventListener("input", () => {
     synth.setOscDetune(parseFloat(detune.value))