diff --git a/index.html b/index.html
index 55b1708..1ed18c6 100644
--- a/index.html
+++ b/index.html
@@ -580,6 +580,13 @@ <h4 class="modal-title custom-modal-title">
                 <input type="range" min="0" max="100" value="50" class="volume-slider">
               </div>
             </div>
+            <div class="sound-button" data-sound="thunder">
+              <svg fill="#000000" width="24" height="24" viewBox="0 0 24 24" id="thunder" data-name="Flat Color" xmlns="http://www.w3.org/2000/svg" class="icon flat-color"><g id="SVGRepo_bgCarrier" stroke-width="0"></g><g id="SVGRepo_tracerCarrier" stroke-linecap="round" stroke-linejoin="round"></g><g id="SVGRepo_iconCarrier"><path id="primary" d="M18.82,9.18A2,2,0,0,0,17,8H15.19l1.33-3.26a2,2,0,0,0-.19-1.84A2.06,2.06,0,0,0,14.62,2H10.28A2,2,0,0,0,8.37,3.27l-3.23,8a2,2,0,0,0,.2,1.83,2.06,2.06,0,0,0,1.71.9H9.81L8,20.74a1,1,0,0,0,.5,1.15A1.12,1.12,0,0,0,9,22a1,1,0,0,0,.76-.35l8.8-10.37A2,2,0,0,0,18.82,9.18Z" style="fill: #000000;"></path></g></svg>
+              <span>Thunder</span>
+              <div class="volume-control">
+                <input type="range" min="0" max="100" value="70" class="volume-slider">
+              </div>
+            </div>
             <div class="sound-button" data-sound="fireside">
               <svg width="24" height="24" viewBox="0 0 24 24" id="Flat_Color" data-name="Flat Color" xmlns="http://www.w3.org/2000/svg" fill="#000000"><g id="SVGRepo_bgCarrier" stroke-width="0"></g><g id="SVGRepo_tracerCarrier" stroke-linecap="round" stroke-linejoin="round"></g><g id="SVGRepo_iconCarrier"><path id="primary" d="M17.4,8.38A7.1,7.1,0,0,1,15,3a1,1,0,0,0-1.55-.83,10.89,10.89,0,0,0-5,6.73A4.37,4.37,0,0,1,8,7.77,1,1,0,0,0,7.27,7a1,1,0,0,0-1,.25C5,8.58,4,12,4,14c0,5.08,2.92,8,8,8s8-3,8-8C20,11.22,18.62,9.71,17.4,8.38Z" style="fill:#000000"></path></g></svg>
               <span>Fireside</span>
@@ -594,6 +601,13 @@ <h4 class="modal-title custom-modal-title">
                 <input type="range" min="0" max="100" value="70" class="volume-slider">
               </div>
             </div>
+            <div class="sound-button" data-sound="train">
+              <svg height="24" width="24" version="1.1" id="_x32_" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 512 512" xml:space="preserve" fill="#000000"><g id="SVGRepo_bgCarrier" stroke-width="0"></g><g id="SVGRepo_tracerCarrier" stroke-linecap="round" stroke-linejoin="round"></g><g id="SVGRepo_iconCarrier"> <style type="text/css"> .st0{fill:#000000;} </style> <g> <path class="st0" d="M349.917,432.716v-0.635H162.472v0.635h-10.544L89.982,512h45.644l13.705-20.233h213.334L376.367,512h45.659 l-61.95-79.284H349.917z M162.558,472.248l13.988-20.648h158.912l13.988,20.648H162.558z"></path> <path class="st0" d="M256.002,0C112.749,0,71.397,51.982,71.397,91.663v258.601c0,34.895,28.29,63.216,63.224,63.216h242.765 c34.942,0,63.217-28.321,63.217-63.216V91.663C440.603,51.982,399.259,0,256.002,0z M189.091,56.987h133.815 c8.888,0,16.106,7.21,16.106,16.098c0,8.912-7.218,16.114-16.106,16.114H189.091c-8.889,0-16.098-7.202-16.098-16.114 C172.992,64.197,180.201,56.987,189.091,56.987z M160.275,358.439c-11.093,0-20.084-8.991-20.084-20.084 c0-11.094,8.991-20.084,20.084-20.084c11.093,0,20.084,8.99,20.084,20.084C180.358,349.448,171.368,358.439,160.275,358.439z M241.943,239.278H134.731v-98.064h107.212V239.278z M351.737,358.439c-11.094,0-20.084-8.991-20.084-20.084 c0-11.094,8.99-20.084,20.084-20.084c11.092,0,20.084,8.99,20.084,20.084C371.821,349.448,362.829,358.439,351.737,358.439z M382.047,239.278H270.061v-98.064h111.986V239.278z"></path> </g> </g></svg>
+              <span>Train</span>
+              <div class="volume-control">
+                <input type="range" min="0" max="100" value="65" class="volume-slider">
+              </div>
+            </div>
             <div class="sound-button" data-sound="white-noise">
               <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="currentColor" viewBox="0 0 16 16">
                 <path d="M8.5 2a.5.5 0 0 1 .5.5v11a.5.5 0 0 1-1 0v-11a.5.5 0 0 1 .5-.5zm-2 2a.5.5 0 0 1 .5.5v7a.5.5 0 0 1-1 0v-7a.5.5 0 0 1 .5-.5zm4 0a.5.5 0 0 1 .5.5v7a.5.5 0 0 1-1 0v-7a.5.5 0 0 1 .5-.5zm-6 1.5A.5.5 0 0 1 5 6v4a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5zm8 0a.5.5 0 0 1 .5.5v4a.5.5 0 0 1-1 0V6a.5.5 0 0 1 .5-.5z"/>
diff --git a/js/white-noise-player.js b/js/white-noise-player.js
index 359dc83..915393e 100644
--- a/js/white-noise-player.js
+++ b/js/white-noise-player.js
@@ -13,6 +13,12 @@ class WhiteNoisePlayer {
                 playing: false,
                 loading: false
             },
+            'thunder': {
+                url: 'sounds/thunder.mp3',
+                audio: null,
+                playing: false,
+                loading: false
+            },
             'fireside': {
                 url: 'sounds/fireside.mp3',
                 audio: null,
@@ -25,6 +31,12 @@ class WhiteNoisePlayer {
                 playing: false,
                 loading: false
             },
+            'train': {
+                url: 'sounds/train.mp3',
+                audio: null,
+                playing: false,
+                loading: false
+            },
             'white-noise': {
                 url: 'sounds/white-noise.mp3',
                 audio: null,
diff --git a/sounds/thunder.mp3 b/sounds/thunder.mp3
new file mode 100644
index 0000000..eb9baf7
Binary files /dev/null and b/sounds/thunder.mp3 differ
diff --git a/sounds/train.mp3 b/sounds/train.mp3
new file mode 100644
index 0000000..46e97cc
Binary files /dev/null and b/sounds/train.mp3 differ