diff --git a/disco.mp3 b/disco.mp3
new file mode 100644
index 0000000..7faff26
Binary files /dev/null and b/disco.mp3 differ
diff --git a/fairies.mp3 b/fairies.mp3
new file mode 100644
index 0000000..73848d6
Binary files /dev/null and b/fairies.mp3 differ
diff --git a/funkydisco.mp3 b/funkydisco.mp3
new file mode 100644
index 0000000..855f5a4
Binary files /dev/null and b/funkydisco.mp3 differ
diff --git a/funkydisco2.mp3 b/funkydisco2.mp3
new file mode 100644
index 0000000..841dfd5
Binary files /dev/null and b/funkydisco2.mp3 differ
diff --git a/index.html b/index.html
index 5f12297..1b7e83d 100644
--- a/index.html
+++ b/index.html
@@ -21,43 +21,57 @@ <h1>Random Disco Light Simulator</h1>
 					<input type="number" id="color" placeholder="Enter" />
 				</div>
 				<div>
-					<label for="time"
-						>2. Time interval
-						<i>(with which the color changes randomly)</i>:</label
+          <label for="time"
+          >2. Time interval
+          <i>(with which the color changes randomly)</i>:</label
 					><br />
 					<input type="number" id="time" placeholder="Enter" />
 					<select id="unit">
-						<option value="unit">Unit</option>
+            <option value="unit">Unit</option>
 						<option value="milliseconds">milliseconds</option>
 						<option value="seconds">seconds</option>
 					</select>
 				</div>
 				<strong
-					>[Negative interval or no input will be treated as 0 interval]</strong
+        >[Negative interval or no input will be treated as 0 interval]</strong
 				>
 				<div>
-					<label for="view">3. View:</label>
+          <label for="view">3. View:</label>
 					<select id="view">
-						<option
-							style="background-color: lightslategray; color: white"
-							value="select"
+            <option
+            style="background-color: lightslategray; color: white"
+            value="select"
 						>
-							Select
-						</option>
-						<option value="conic">Conic</option>
-						<option value="linear">Linear</option>
-						<option value="radial">Radial</option>
-					</select>
-				</div>
-				<div>
-					<label for="countdown">4. Countdown Timer (in seconds):</label>
-					<input
-						type="number"
-						id="countdown"
-						aria-label="Countdown Timer"
-						placeholder="Enter time in seconds"
-					/>
-				</div>
+            Select
+          </option>
+          <option value="conic">Conic</option>
+          <option value="linear">Linear</option>
+          <option value="radial">Radial</option>
+        </select>
+      </div>
+      <div>
+        <label for="countdown">4. Countdown Timer (in seconds):</label>
+        <input
+        type="number"
+        id="countdown"
+        aria-label="Countdown Timer"
+        placeholder="Enter time in seconds"
+        />
+      </div>
+      <div>
+        <label for="sound">4. Sound Effect:</label>
+        <select
+          id="sound"
+         value="select"
+        >
+          <option value="none">None</option>
+          <option value="disco">disco</option>
+          <option value="fairies">fairies</option>
+          <option value="funky1">funky1</option>
+          <option value="funky2">funky2</option>
+          <option value="upbeatdisco">upbeatdisco</option>
+        </select>
+      </div>
 				<div class="button">
 					<button id="submit">Submit</button>
 					<a
@@ -65,17 +79,22 @@ <h1>Random Disco Light Simulator</h1>
 						target="_blank"
 					>
           <svg fill="#fff" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 496 512"><path d="M165.9 397.4c0 2-2.3 3.6-5.2 3.6-3.3 .3-5.6-1.3-5.6-3.6 0-2 2.3-3.6 5.2-3.6 3-.3 5.6 1.3 5.6 3.6zm-31.1-4.5c-.7 2 1.3 4.3 4.3 4.9 2.6 1 5.6 0 6.2-2s-1.3-4.3-4.3-5.2c-2.6-.7-5.5 .3-6.2 2.3zm44.2-1.7c-2.9 .7-4.9 2.6-4.6 4.9 .3 2 2.9 3.3 5.9 2.6 2.9-.7 4.9-2.6 4.6-4.6-.3-1.9-3-3.2-5.9-2.9zM244.8 8C106.1 8 0 113.3 0 252c0 110.9 69.8 205.8 169.5 239.2 12.8 2.3 17.3-5.6 17.3-12.1 0-6.2-.3-40.4-.3-61.4 0 0-70 15-84.7-29.8 0 0-11.4-29.1-27.8-36.6 0 0-22.9-15.7 1.6-15.4 0 0 24.9 2 38.6 25.8 21.9 38.6 58.6 27.5 72.9 20.9 2.3-16 8.8-27.1 16-33.7-55.9-6.2-112.3-14.3-112.3-110.5 0-27.5 7.6-41.3 23.6-58.9-2.6-6.5-11.1-33.3 2.6-67.9 20.9-6.5 69 27 69 27 20-5.6 41.5-8.5 62.8-8.5s42.8 2.9 62.8 8.5c0 0 48.1-33.6 69-27 13.7 34.7 5.2 61.4 2.6 67.9 16 17.7 25.8 31.5 25.8 58.9 0 96.5-58.9 104.2-114.8 110.5 9.2 7.9 17 22.9 17 46.4 0 33.7-.3 75.4-.3 83.6 0 6.5 4.6 14.4 17.3 12.1C428.2 457.8 496 362.9 496 252 496 113.3 383.5 8 244.8 8zM97.2 352.9c-1.3 1-1 3.3 .7 5.2 1.6 1.6 3.9 2.3 5.2 1 1.3-1 1-3.3-.7-5.2-1.6-1.6-3.9-2.3-5.2-1zm-10.8-8.1c-.7 1.3 .3 2.9 2.3 3.9 1.6 1 3.6 .7 4.3-.7 .7-1.3-.3-2.9-2.3-3.9-2-.6-3.6-.3-4.3 .7zm32.4 35.6c-1.6 1.3-1 4.3 1.3 6.2 2.3 2.3 5.2 2.6 6.5 1 1.3-1.3 .7-4.3-1.3-6.2-2.2-2.3-5.2-2.6-6.5-1zm-11.4-14.7c-1.6 1-1.6 3.6 0 5.9 1.6 2.3 4.3 3.3 5.6 2.3 1.6-1.3 1.6-3.9 0-6.2-1.4-2.3-4-3.3-5.6-2z"/></svg>
-					</a>
-					<button id="reset">Reset</button>
-				</div>
-				<div id="error"></div>
-			</div>
-		</div>
-		<div
-			id="timerDisplay"
-			aria-label="Timer Display"
-			style="display: none"
-		></div>
+        </a>
+        <button id="reset">Reset</button>
+      </div>
+      <div id="error"></div>
+    </div>
+  </div>
+  <div
+  id="timerDisplay"
+  aria-label="Timer Display"
+  style="display: none"
+  ></div>
+  <audio id="disco" src="disco.mp3"></audio>
+  <audio id="fairies" src="fairies.mp3"></audio>
+  <audio id="funky1" src="funkydisco.mp3"></audio>
+  <audio id="funky2" src="funkydisco2.mp3"></audio>
+  <audio id="upbeatdisco" src="upbeatdisco.mp3"></audio>
 		<div id="message">The timer has ended. The page will reload.</div>
 
 		<script src="script.js"></script>
diff --git a/script.js b/script.js
index c842a22..df5b530 100644
--- a/script.js
+++ b/script.js
@@ -49,8 +49,9 @@ document.addEventListener('DOMContentLoaded', () => {
         let set_time = document.getElementById("time").value;
         let unit = document.getElementById("unit").value;
         let view = document.getElementById("view").value;
+        let soundEffect = document.getElementById("sound").value;
 
-        if (countdownValue && countdownValue > 0 && Number(n) >= 0 && Number.isInteger(Number(n)) && n !== "" && unit !== "unit" && view !== "select") {
+        if (countdownValue && countdownValue > 0 && Number(n) >= 0 && Number.isInteger(Number(n)) && n !== "" && unit !== "unit" && view !== "select" && soundEffect !=="none") {
             // Clear error message if everything is correct
             document.getElementById("error").innerHTML = "";
 
@@ -59,6 +60,11 @@ document.addEventListener('DOMContentLoaded', () => {
 
             // Start the countdown timer
             startCountdown(countdownValue);
+
+            // Start the sound effect
+            const audio = document.getElementById(soundEffect);
+            audio.loop = true; // Loop the audio
+            audio.play();
         } else {
             // Display error message if any input is missing or invalid
             document.getElementById("error").innerHTML = "<strong>Please fill out all required fields correctly!</strong>";
diff --git a/style.css b/style.css
index 2d56747..11c713c 100644
--- a/style.css
+++ b/style.css
@@ -100,7 +100,7 @@ strong {
 }
 
 #view,
-#unit {
+#unit, #sound{
   text-align: center;
   border-radius: 10px;
   background-color: rgba(255, 255, 255, 0.07);
diff --git a/upbeatdisco.mp3 b/upbeatdisco.mp3
new file mode 100644
index 0000000..c48e8fa
Binary files /dev/null and b/upbeatdisco.mp3 differ