diff --git a/images/triangle.png b/images/triangle.png
new file mode 100644
index 0000000..3aad3dd
Binary files /dev/null and b/images/triangle.png differ
diff --git a/index.html b/index.html
index 1357bc6..9b0c794 100644
--- a/index.html
+++ b/index.html
@@ -84,6 +84,10 @@
         <span i18n="Tambourine">Tambourine</span>
         <span class="key">B</span>
       </div>
+      <div>
+        <span i18n="Triangle">Triangle</span>
+        <span class="key">S</span>
+      </div>
       <div>
         <span i18n="Meow">Meow</span>
         <span i18n="SPACE" class="key key-wide">SPACE</span>
@@ -116,6 +120,7 @@
       <div id="cymbal"></div>
       <div id="marimba"></div>
       <div id="tambourine"></div>
+      <div id="triangle"></div>
       <div id="cowbell"></div>
     </div>
   </div>
@@ -128,6 +133,7 @@
         <option value="layer-cymbal" i18n="Cymbal">Cymbal</option>
         <option value="layer-marimba" i18n="Marimba">Marimba</option>
         <option value="layer-tambourine" i18n="Tambourine">Tambourine</option>
+        <option value="layer-triangle" i18n="Triangle">Triangle</option>
         <option value="layer-cowbell" i18n="Cowbell">Cowbell</option>
       </select>
     </div>
diff --git a/js/core.js b/js/core.js
index c1d03d9..80a1804 100644
--- a/js/core.js
+++ b/js/core.js
@@ -8,7 +8,8 @@ const InstrumentEnum = Object.freeze({
   CYMBAL: 4,
   MARIMBA: 5,
   TAMBOURINE: 6,
-  COWBELL: 7
+  COWBELL: 7,
+  TRIANGLE: 8,
 })
 const KeyEnum = Object.freeze({
   "A": 1,
@@ -37,7 +38,8 @@ const KeyEnum = Object.freeze({
   "O": 9,
   "P": 0,
   "B": 1,
-  "F": 1
+  "F": 1,
+  "S": 1,
 })
 const InstrumentPerKeyEnum = Object.freeze({
   "A": InstrumentEnum.BONGO,
@@ -66,7 +68,8 @@ const InstrumentPerKeyEnum = Object.freeze({
   "O": InstrumentEnum.MARIMBA,
   "P": InstrumentEnum.MARIMBA,
   "B": InstrumentEnum.TAMBOURINE,
-  "F": InstrumentEnum.COWBELL
+  "F": InstrumentEnum.COWBELL,
+  "S": InstrumentEnum.TRIANGLE,
 })
 const ClickKeyEquivalentEnum = Object.freeze({
   "1": "A",
@@ -81,6 +84,7 @@ const TapKeyEquivalentEnum = Object.freeze({
     "BONGO": ["D"],
     "CYMBAL": ["C"],
     "TAMBOURINE": ["B"],
+    "TRIANGLE": ["S"],
     "COWBELL": ["F"]
   },
   "tap-space": {
@@ -134,6 +138,7 @@ const TapKeysPerLayerEnum = Object.freeze({
   "layer-cymbal": ["tap-right"],
   "layer-marimba": ["tap-keys"],
   "layer-tambourine": ["tap-right"],
+  "layer-triangle": ["tap-right"],
   "layer-cowbell": ["tap-right"]
 })
 const LayersPerInstrumentEnum = Object.freeze({
@@ -143,7 +148,8 @@ const LayersPerInstrumentEnum = Object.freeze({
   "layer-cymbal": InstrumentEnum.CYMBAL,
   "layer-marimba": InstrumentEnum.MARIMBA,
   "layer-tambourine": InstrumentEnum.TAMBOURINE,
-  "layer-cowbell": InstrumentEnum.COWBELL
+  "layer-cowbell": InstrumentEnum.COWBELL,
+  "layer-triangle": InstrumentEnum.TRIANGLE
 })
 var pressed = [];
 var currentLayer;
@@ -163,6 +169,7 @@ $(document).ready(function() {
   $.loadSimple("meow");
   $.loadSimple("cymbal");
   $.loadSimple("tambourine");
+  $.loadSimple("triangle");
   $.loadSimple("cowbell");
   $.layers("layer-bongo");
   $("select#select-instrument").on("change", function() {
@@ -298,6 +305,9 @@ var i18n_map = {
   "Tambourine": {
     "en": "Tambourine",
     "ca": "Pandereta"},
+  "Triangle": {
+    "en": "Triangle",
+    "ca": "Triangle"},
   "Meow": {
     "en": "Meow",
     "ca": "Miol"},
diff --git a/sounds/triangle.mp3 b/sounds/triangle.mp3
new file mode 100644
index 0000000..07c2315
Binary files /dev/null and b/sounds/triangle.mp3 differ
diff --git a/sounds/triangle.wav b/sounds/triangle.wav
new file mode 100644
index 0000000..4054563
Binary files /dev/null and b/sounds/triangle.wav differ
diff --git a/style/style.css b/style/style.css
index 7492423..b50e160 100644
--- a/style/style.css
+++ b/style/style.css
@@ -280,6 +280,10 @@ select#select-instrument option {
   background-image: url(../images/cowbell.png)
 }
 
+.instruments>#triangle, #layer-triangle {
+  background-image: url(../images/triangle.png);
+}
+
 .instruments>#keyboard, .instruments>#cymbal, .instruments>#marimba, .instruments>#tambourine, .instruments>#cowbell {
   visibility: hidden
 }