diff --git a/src/DrumPlayer.js b/src/DrumPlayer.js
index 1a22b9f..a7ea552 100644
--- a/src/DrumPlayer.js
+++ b/src/DrumPlayer.js
@@ -11,6 +11,10 @@ function DrumPlayer (outputNode) {
 
 DrumPlayer.prototype.start = function () {
     this.snare.start();
+DrumPlayer.prototype.stopAll = function () {
+    for (var i=0; i<this.drumSounds.length; i++) {
+        this.drumSounds[i].stop();
+    }
 };
 
 module.exports = DrumPlayer;
diff --git a/src/InstrumentPlayer.js b/src/InstrumentPlayer.js
index aa95188..adf9a80 100644
--- a/src/InstrumentPlayer.js
+++ b/src/InstrumentPlayer.js
@@ -36,4 +36,12 @@ InstrumentPlayer.prototype.loadInstrument = function (instrumentNum) {
     }
 };
 
+InstrumentPlayer.prototype.stopAll = function () {
+    for (var i=0; i<this.instruments.length; i++) {
+        if (this.instruments[i]) {
+            this.instruments[i].stop();
+        }
+    }
+};
+
 module.exports = InstrumentPlayer;
diff --git a/src/index.js b/src/index.js
index 29712d9..22967b9 100644
--- a/src/index.js
+++ b/src/index.js
@@ -141,20 +141,17 @@ AudioPlayer.prototype.beatsToSec = function (beats) {
 };
 
 AudioPlayer.prototype.stopAllSounds = function () {
-    // stop drum notes
-    // for (var i = 0; i<this.drumSamplers.length; i++) {
-    //     this.drumSamplers[i].triggerRelease();
-    // }
-
-    // stop sounds triggered with playSound
+    // stop all sound players
     for (var i=0; i<this.soundPlayers.length; i++) {
         this.soundPlayers[i].stop();
     }
 
-    // stop soundfont notes
-    // if (this.instrument) {
-    //     this.instrument.stop();
-    // }
+    // stop all instruments
+    this.audioEngine.instrumentPlayer.stopAll();
+
+    // stop drum notes
+    this.audioEngine.drumPlayer.stopAll();
+
 };
 
 AudioPlayer.prototype.setEffect = function (effect, value) {