diff --git a/pulsar/assets/js/audience/audience-app.js b/pulsar/assets/js/audience/audience-app.js
index fd7d4dd..1bf36b0 100644
--- a/pulsar/assets/js/audience/audience-app.js
+++ b/pulsar/assets/js/audience/audience-app.js
@@ -25,6 +25,8 @@ new p5(p => {
   const widthPc = widthPercent => (p.width * widthPercent) / 100;
   const heightPc = heightPercent => (p.height * heightPercent) / 100;
 
+  let instrument;
+
   let pulseSize = 0;
   let energyData = [];
   let totalAmp;
@@ -40,6 +42,7 @@ new p5(p => {
   p.preload = () => {};
 
   p.setup = () => {
+    instrument = Math.floor(Math.random() * 5);
     const canvas = p.createCanvas(p.windowWidth, p.windowHeight);
 
     canvas.mouseClicked(function() {
@@ -48,11 +51,14 @@ new p5(p => {
   };
 
   p.draw = () => {
+    p.background(0, 0, totalAmp * 255 || 0);
+
+    p.textAlign(p.CENTER);
+    p.fill(255);
+    p.text(`You are ${instrument}`, p.width / 2, 15);
     p.push();
     p.translate(p.width / 2, p.height / 2);
 
-    p.background(0, 0, totalAmp * 255 || 0);
-
     if (pulseSize > 0) {
       p.circle(0, 0, pulseSize);
       pulseSize--;
@@ -61,22 +67,25 @@ new p5(p => {
     p.push();
     p.rectMode(p.CENTER);
     p.translate(-p.width / 2, -p.height / 2);
-    energyData.map((freqEnergy, i) => {
-      p.fill(250);
-      freqEnergy.map((amp, j) => {
-        j / freqEnergy.length > 0.5 && p.fill(25) && p.stroke(255);
-        p.rect(
-          (j * widthPc(100)) / freqEnergy.length +
-            (1 * widthPc(100)) / (2 * freqEnergy.length),
-          (i * heightPc(100)) / energyData.length +
-            (1 * heightPc(100)) / (2 * energyData.length),
-          // 10,
-          // 10
-          widthPc(100) / freqEnergy.length,
-          (heightPc(100 / energyData.length) * amp) / 255
-        );
-      });
+
+    // energyData.map((freqEnergy, i) => {
+    const i = 0;
+    const freqEnergy = energyData[instrument] || [];
+    const channels = 1; //energyData.length
+    p.fill(250);
+    freqEnergy.map((amp, j) => {
+      j / freqEnergy.length > 0.5 && p.fill(25) && p.stroke(255);
+      p.rect(
+        (j * widthPc(100)) / freqEnergy.length +
+          (1 * widthPc(100)) / (2 * freqEnergy.length),
+        (i * heightPc(100)) / channels + (1 * heightPc(100)) / (2 * channels),
+        // 10,
+        // 10
+        widthPc(100) / freqEnergy.length,
+        (heightPc(100 / channels) * amp) / 255
+      );
     });
+    // });
 
     p.pop();
   };