diff --git a/index.d.ts b/index.d.ts
index 895c13b..25e0dde 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,3 +1,11 @@
+/*
+ * index.d.ts
+ * web-audio-javascript-webassembly-SDK-interactive-audio
+ *
+ * Last modified by srubin on 8/4/21, 3:27 PM
+ * Copyright © 2021 Descript, Inc. All rights reserved.
+ */
+
 export * from './superpowered/Superpowered';
 export * from './superpowered/SuperpoweredGlueModule';
 export * from './superpowered/SuperpoweredTrackLoaderModule';
diff --git a/index.js b/index.js
index df07b83..b754919 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,9 @@
+/*
+ * index.js
+ * web-audio-javascript-webassembly-SDK-interactive-audio
+ *
+ * Last modified by srubin on 8/4/21, 3:27 PM
+ * Copyright © 2021 Descript, Inc. All rights reserved.
+ */
+
 export * from './superpowered/SuperpoweredWebAudio';
diff --git a/rollup.config.js b/rollup.config.js
index e46cebe..9d5965c 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -1,3 +1,11 @@
+/*
+ * rollup.config.js
+ * web-audio-javascript-webassembly-SDK-interactive-audio
+ *
+ * Last modified by srubin on 8/17/21, 3:27 PM
+ * Copyright © 2021 Descript, Inc. All rights reserved.
+ */
+
 import pkg from './package.json';
 import commonjs from '@rollup/plugin-commonjs';
 import copy from 'rollup-plugin-copy';
diff --git a/superpowered/Superpowered.d.ts b/superpowered/Superpowered.d.ts
index 60cd533..5d12dfc 100644
--- a/superpowered/Superpowered.d.ts
+++ b/superpowered/Superpowered.d.ts
@@ -1,3 +1,11 @@
+/*
+ * Superpowered.d.ts
+ * web-audio-javascript-webassembly-SDK-interactive-audio
+ *
+ * Last modified by srubin on 8/4/21, 3:27 PM
+ * Copyright © 2021 Descript, Inc. All rights reserved.
+ */
+
 declare class SuperpoweredProcessor {
     constructor(samplerate: number);
     process: (
diff --git a/superpowered/SuperpoweredGlueModule.d.ts b/superpowered/SuperpoweredGlueModule.d.ts
index b1e41ad..0275947 100644
--- a/superpowered/SuperpoweredGlueModule.d.ts
+++ b/superpowered/SuperpoweredGlueModule.d.ts
@@ -1,3 +1,11 @@
+/*
+ * SuperpoweredGlueModule.d.ts
+ * web-audio-javascript-webassembly-SDK-interactive-audio
+ *
+ * Last modified by srubin on 8/4/21, 3:27 PM
+ * Copyright © 2021 Descript, Inc. All rights reserved.
+ */
+
 import {Superpowered, SuperpoweredFloat32Buffer} from "./Superpowered";
 
 export declare class SuperpoweredGlue {
diff --git a/superpowered/SuperpoweredGlueModule.js b/superpowered/SuperpoweredGlueModule.js
index ef13e7b..cc6d4de 100644
--- a/superpowered/SuperpoweredGlueModule.js
+++ b/superpowered/SuperpoweredGlueModule.js
@@ -489,6 +489,8 @@ class SuperpoweredGlue {
         }
     }
 
+    // BEGIN DESCRIPT CHANGE
+    // vvvvvvvvvvvvvvvvvvvvv
     // srubin[06/14/2021]: added to support mono inputs
     monoBufferToWASM(buffer, input) {
         let inBuffer = null;
@@ -502,6 +504,8 @@ class SuperpoweredGlue {
             buffer.array[n] = inBuffer[i];
         }
     }
+    // ^^^^^^^^^^^^^^^^^^^^^
+    //  END DESCRIPT CHANGE
 
     bufferToJS(buffer, output) {
         let outBufferL = null;
@@ -519,6 +523,8 @@ class SuperpoweredGlue {
         }
     }
 
+    // BEGIN DESCRIPT CHANGE
+    // vvvvvvvvvvvvvvvvvvvvv
     // srubin[06/14/2021]: added to support mono outputs
     monoBufferToJs(buffer, output) {
         let outBuffer = null;
@@ -531,6 +537,8 @@ class SuperpoweredGlue {
             outBuffer[i] = buffer.array[n];
         }
     }
+    // ^^^^^^^^^^^^^^^^^^^^^
+    //  END DESCRIPT CHANGE
 
 
     arrayBufferToWASM(arrayBuffer, offset = 0) {
@@ -552,8 +560,12 @@ class SuperpoweredGlue {
     }
 }
 
+// BEGIN DESCRIPT CHANGE
+// vvvvvvvvvvvvvvvvvvvvv
 // if (typeof exports === 'object' && typeof module === 'object') module.exports = SuperpoweredGlue;
 // else if (typeof define === 'function' && define['amd']) define([], function() { return SuperpoweredGlue; });
 // else if (typeof exports === 'object') exports["SuperpoweredGlue"] = SuperpoweredGlue;
+// ^^^^^^^^^^^^^^^^^^^^^
+//  END DESCRIPT CHANGE
 
 export { SuperpoweredGlue };
diff --git a/superpowered/SuperpoweredTrackLoaderModule.d.ts b/superpowered/SuperpoweredTrackLoaderModule.d.ts
index 56dd881..d3a8b39 100644
--- a/superpowered/SuperpoweredTrackLoaderModule.d.ts
+++ b/superpowered/SuperpoweredTrackLoaderModule.d.ts
@@ -1,3 +1,12 @@
+/*
+ * SuperpoweredTrackLoaderModule.d.ts
+ * web-audio-javascript-webassembly-SDK-interactive-audio
+ *
+ * Last modified by srubin on 8/4/21, 3:27 PM
+ * Copyright © 2021 Descript, Inc. All rights reserved.
+ */
+
+
 export interface SuperpoweredTrackMessage {
     data: {
         SuperpoweredLoad: string;
diff --git a/superpowered/SuperpoweredTrackLoaderModule.js b/superpowered/SuperpoweredTrackLoaderModule.js
index 9c5ad8d..01f62db 100644
--- a/superpowered/SuperpoweredTrackLoaderModule.js
+++ b/superpowered/SuperpoweredTrackLoaderModule.js
@@ -37,8 +37,12 @@ class SuperpoweredTrackLoader {
     }
 }
 
+// BEGIN DESCRIPT CHANGE
+// vvvvvvvvvvvvvvvvvvvvv
 // if (typeof exports === 'object' && typeof module === 'object') module.exports = { SuperpoweredTrackLoader };
 // else if (typeof define === 'function' && define['amd']) define([], function() { return { SuperpoweredTrackLoader }; });
 // else if (typeof exports === 'object') exports["SuperpoweredTrackLoader"] = { SuperpoweredTrackLoader };
+// ^^^^^^^^^^^^^^^^^^^^^
+//  END DESCRIPT CHANGE
 
 export { SuperpoweredTrackLoader };
diff --git a/superpowered/SuperpoweredWebAudio.d.ts b/superpowered/SuperpoweredWebAudio.d.ts
index 3eb2e0b..08b791b 100644
--- a/superpowered/SuperpoweredWebAudio.d.ts
+++ b/superpowered/SuperpoweredWebAudio.d.ts
@@ -1,3 +1,11 @@
+/*
+ * SuperpoweredWebAudio.d.ts
+ * web-audio-javascript-webassembly-SDK-interactive-audio
+ *
+ * Last modified by srubin on 8/4/21, 3:27 PM
+ * Copyright © 2021 Descript, Inc. All rights reserved.
+ */
+
 import {Superpowered, SuperpoweredFloat32Buffer} from "./Superpowered";
 
 export declare namespace SuperpoweredWebAudio {
diff --git a/superpowered/SuperpoweredWebAudio.js b/superpowered/SuperpoweredWebAudio.js
index 0972356..084fb2b 100644
--- a/superpowered/SuperpoweredWebAudio.js
+++ b/superpowered/SuperpoweredWebAudio.js
@@ -151,6 +151,8 @@ if (!AudioWorkletHasBrokenModuleImplementation && (typeof AudioWorkletProcessor
         processAudio(buffer, parameters) {}
         process(inputs, outputs, parameters) {
             if (this.ok) {
+                // BEGIN DESCRIPT CHANGE
+                // vvvvvvvvvvvvvvvvvvvvv
                 if (inputs[0].length > 1) {
                     this.Superpowered.bufferToWASM(this.inputBuffer, inputs);
                 } else if (inputs[0].length === 1) {
@@ -169,6 +171,8 @@ if (!AudioWorkletHasBrokenModuleImplementation && (typeof AudioWorkletProcessor
                     // srubin[06/14/2021]: added this to support mono outputs
                     this.Superpowered.monoBufferToJs(this.outputBuffer, outputs);
                 }
+                // ^^^^^^^^^^^^^^^^^^^^^
+                //  END DESCRIPT CHANGE
             }
             return true;
         }
@@ -183,7 +187,11 @@ if (!AudioWorkletHasBrokenModuleImplementation && (typeof AudioWorkletProcessor
             this.onMessageFromAudioScope = oma;
             this.onReady();
         }
+        // BEGIN DESCRIPT CHANGE
+        // vvvvvvvvvvvvvvvvvvvvv
         // onMessageFromAudioScope = null;
+        // ^^^^^^^^^^^^^^^^^^^^^
+        //  END DESCRIPT CHANGE
         onReady() {}
         onMessageFromMainScope(message) {}
         sendMessageToMainScope(message) { if (!this.loader.onmessage({ data: message })) this.onMessageFromAudioScope(message); }
@@ -193,8 +201,12 @@ if (!AudioWorkletHasBrokenModuleImplementation && (typeof AudioWorkletProcessor
     SuperpoweredWebAudio.AudioWorkletProcessor = SuperpoweredAudioWorkletProcessor;
 }
 
+// BEGIN DESCRIPT CHANGE
+// vvvvvvvvvvvvvvvvvvvvv
 // if (typeof exports === 'object' && typeof module === 'object') module.exports = { SuperpoweredGlue, SuperpoweredWebAudio, SuperpoweredTrackLoader };
 // else if (typeof define === 'function' && define['amd']) define([], function() { return { SuperpoweredGlue, SuperpoweredWebAudio, SuperpoweredTrackLoader }; });
 // else if (typeof exports === 'object') exports["SuperpoweredModule"] = { SuperpoweredGlue, SuperpoweredWebAudio, SuperpoweredTrackLoader };
+// ^^^^^^^^^^^^^^^^^^^^^
+//  END DESCRIPT CHANGE
 
 export { SuperpoweredGlue, SuperpoweredWebAudio, SuperpoweredTrackLoader };
diff --git a/superpowered/superpowered.wasm.d.ts b/superpowered/superpowered.wasm.d.ts
index 7307bcb..28e4e3b 100644
--- a/superpowered/superpowered.wasm.d.ts
+++ b/superpowered/superpowered.wasm.d.ts
@@ -1,2 +1,10 @@
+/*
+ * superpowered.wasm.d.ts
+ * web-audio-javascript-webassembly-SDK-interactive-audio
+ *
+ * Last modified by hipstersmoothie on 8/11/21, 3:27 PM
+ * Copyright © 2021 Descript, Inc. All rights reserved.
+ */
+
 declare const exportString: string;
 export default exportString;