diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -311,6 +311,7 @@
     'ConpherenceReplyHandler' => 'applications/conpherence/mail/ConpherenceReplyHandler.php',
     'ConpherenceRoomListController' => 'applications/conpherence/controller/ConpherenceRoomListController.php',
     'ConpherenceRoomPictureController' => 'applications/conpherence/controller/ConpherenceRoomPictureController.php',
+    'ConpherenceRoomSettings' => 'applications/conpherence/constants/ConpherenceRoomSettings.php',
     'ConpherenceRoomTestCase' => 'applications/conpherence/__tests__/ConpherenceRoomTestCase.php',
     'ConpherenceSchemaSpec' => 'applications/conpherence/storage/ConpherenceSchemaSpec.php',
     'ConpherenceTestCase' => 'applications/conpherence/__tests__/ConpherenceTestCase.php',
@@ -2398,6 +2399,7 @@
     'PhabricatorConpherenceNotificationsSetting' => 'applications/settings/setting/PhabricatorConpherenceNotificationsSetting.php',
     'PhabricatorConpherencePreferencesSettingsPanel' => 'applications/settings/panel/PhabricatorConpherencePreferencesSettingsPanel.php',
     'PhabricatorConpherenceProfileMenuItem' => 'applications/search/menuitem/PhabricatorConpherenceProfileMenuItem.php',
+    'PhabricatorConpherenceSoundSetting' => 'applications/settings/setting/PhabricatorConpherenceSoundSetting.php',
     'PhabricatorConpherenceThreadPHIDType' => 'applications/conpherence/phid/PhabricatorConpherenceThreadPHIDType.php',
     'PhabricatorConpherenceWidgetVisibleSetting' => 'applications/settings/setting/PhabricatorConpherenceWidgetVisibleSetting.php',
     'PhabricatorConsoleApplication' => 'applications/console/application/PhabricatorConsoleApplication.php',
@@ -5103,6 +5105,7 @@
     'ConpherenceReplyHandler' => 'PhabricatorMailReplyHandler',
     'ConpherenceRoomListController' => 'ConpherenceController',
     'ConpherenceRoomPictureController' => 'ConpherenceController',
+    'ConpherenceRoomSettings' => 'ConpherenceConstants',
     'ConpherenceRoomTestCase' => 'ConpherenceTestCase',
     'ConpherenceSchemaSpec' => 'PhabricatorConfigSchemaSpec',
     'ConpherenceTestCase' => 'PhabricatorTestCase',
@@ -7505,6 +7508,7 @@
     'PhabricatorConpherenceNotificationsSetting' => 'PhabricatorSelectSetting',
     'PhabricatorConpherencePreferencesSettingsPanel' => 'PhabricatorEditEngineSettingsPanel',
     'PhabricatorConpherenceProfileMenuItem' => 'PhabricatorProfileMenuItem',
+    'PhabricatorConpherenceSoundSetting' => 'PhabricatorSelectSetting',
     'PhabricatorConpherenceThreadPHIDType' => 'PhabricatorPHIDType',
     'PhabricatorConpherenceWidgetVisibleSetting' => 'PhabricatorInternalSetting',
     'PhabricatorConsoleApplication' => 'PhabricatorApplication',
diff --git a/src/applications/conpherence/constants/ConpherenceRoomSettings.php b/src/applications/conpherence/constants/ConpherenceRoomSettings.php
new file mode 100644
--- /dev/null
+++ b/src/applications/conpherence/constants/ConpherenceRoomSettings.php
@@ -0,0 +1,31 @@
+<?php
+
+final class ConpherenceRoomSettings extends ConpherenceConstants {
+
+  const SOUND_SEND = 'send';
+  const SOUND_RECEIVE = 'receive';
+  const SOUND_MENTION = 'mention';
+
+  const DEFAULT_SOUND = 'tap';
+  const DEFAULT_NO_SOUND = 'none';
+
+  public static function getSoundMap() {
+    return array(
+      'none' => array(
+        'name' => pht('No Sound'),
+        'rsrc' => '',
+      ),
+      'tap' => array(
+        'name' => pht('Tap'),
+        'rsrc' => celerity_get_resource_uri('/rsrc/audio/basic/tap.mp3'),
+      ),
+    );
+  }
+
+  public static function getDropdownSoundMap() {
+    $map = self::getSoundMap();
+    return ipull($map, 'name');
+  }
+
+
+}
diff --git a/src/applications/conpherence/controller/ConpherenceUpdateController.php b/src/applications/conpherence/controller/ConpherenceUpdateController.php
--- a/src/applications/conpherence/controller/ConpherenceUpdateController.php
+++ b/src/applications/conpherence/controller/ConpherenceUpdateController.php
@@ -115,11 +115,13 @@
           break;
         case ConpherenceUpdateActions::NOTIFICATIONS:
           $notifications = $request->getStr('notifications');
+          $sounds = $request->getArr('sounds');
           $participant = $conpherence->getParticipantIfExists($user->getPHID());
           if (!$participant) {
             return id(new Aphront404Response());
           }
           $participant->setSettings(array('notifications' => $notifications));
+          $participant->setSettings(array('sounds' => $sounds));
           $participant->save();
           return id(new AphrontRedirectResponse())
             ->setURI('/'.$conpherence->getMonogram());
@@ -266,29 +268,60 @@
     $notification_key = PhabricatorConpherenceNotificationsSetting::SETTINGKEY;
     $notification_default = $user->getUserSetting($notification_key);
 
+    $sound_key = PhabricatorConpherenceSoundSetting::SETTINGKEY;
+    $sound_default = $user->getUserSetting($sound_key);
+    if ($sound_default) {
+      $sound = ConpherenceRoomSettings::DEFAULT_SOUND;
+    } else {
+      $sound = ConpherenceRoomSettings::DEFAULT_NO_SOUND;
+    }
+
     $settings = $participant->getSettings();
-    $notifications = idx(
-      $settings,
-      'notifications',
-      $notification_default);
+    $notifications = idx($settings, 'notifications', $notification_default);
+
+    $sounds = idx($settings, 'sounds', array());
+    $send = idx($sounds, ConpherenceRoomSettings::SOUND_SEND, $sound);
+    $receive = idx($sounds, ConpherenceRoomSettings::SOUND_RECEIVE, $sound);
+    $mention = idx($sounds, ConpherenceRoomSettings::SOUND_MENTION, $sound);
 
     $form = id(new AphrontFormView())
       ->setUser($user)
-      ->setFullWidth(true)
       ->appendControl(
-      id(new AphrontFormRadioButtonControl())
-        ->addButton(
+        id(new AphrontFormRadioButtonControl())
+          ->setLabel(pht('Notify'))
+          ->addButton(
           PhabricatorConpherenceNotificationsSetting::VALUE_CONPHERENCE_EMAIL,
           PhabricatorConpherenceNotificationsSetting::getSettingLabel(
           PhabricatorConpherenceNotificationsSetting::VALUE_CONPHERENCE_EMAIL),
-          '')
-        ->addButton(
+            '')
+          ->addButton(
           PhabricatorConpherenceNotificationsSetting::VALUE_CONPHERENCE_NOTIFY,
           PhabricatorConpherenceNotificationsSetting::getSettingLabel(
           PhabricatorConpherenceNotificationsSetting::VALUE_CONPHERENCE_NOTIFY),
-          '')
-        ->setName('notifications')
-        ->setValue($notifications));
+            '')
+          ->setName('notifications')
+          ->setValue($notifications))
+        ->appendChild(
+          id(new AphrontFormSelectControl())
+            ->setLabel(pht('Message Sent'))
+            ->setName('sounds['.ConpherenceRoomSettings::SOUND_SEND.']')
+            ->setOptions(ConpherenceRoomSettings::getDropdownSoundMap())
+            ->setValue($send))
+        ->appendChild(
+          id(new AphrontFormSelectControl())
+            ->setLabel(pht('Message Received'))
+            ->setName('sounds['.ConpherenceRoomSettings::SOUND_RECEIVE.']')
+            ->setOptions(ConpherenceRoomSettings::getDropdownSoundMap())
+            ->setValue($receive));
+
+        // TODO: Future Adventure! Expansion Pack
+        //
+        // ->appendChild(
+        //  id(new AphrontFormSelectControl())
+        //    ->setLabel(pht('Username Mentioned'))
+        //    ->setName(ConpherenceRoomSettings::SOUND_RECEIVE)
+        //    ->setOptions(ConpherenceRoomSettings::getDropdownSoundMap())
+        //    ->setValue($mention));
 
     return id(new AphrontDialogView())
       ->setTitle(pht('Room Preferences'))
@@ -496,6 +529,8 @@
       ->executeOne();
 
     $non_update = false;
+    $participant = $conpherence->getParticipant($user->getPHID());
+
     if ($need_transactions && $conpherence->getTransactions()) {
       $data = ConpherenceTransactionRenderer::renderTransactions(
         $user,
@@ -503,9 +538,7 @@
       $key = PhabricatorConpherenceColumnMinimizeSetting::SETTINGKEY;
       $minimized = $user->getUserSetting($key);
       if (!$minimized) {
-        $participant_obj = $conpherence->getParticipant($user->getPHID());
-        $participant_obj
-          ->markUpToDate($conpherence, $data['latest_transaction']);
+        $participant->markUpToDate($conpherence, $data['latest_transaction']);
       }
     } else if ($need_transactions) {
       $non_update = true;
@@ -547,7 +580,8 @@
       ->setViewer($user);
     $dropdown_query->execute();
 
-    $receive_sound = celerity_get_resource_uri('/rsrc/audio/basic/tap.mp3');
+    $sounds = $this->getSoundForParticipant($user, $participant);
+    $receive_sound = $sounds[ConpherenceRoomSettings::SOUND_RECEIVE];
 
     $content = array(
       'non_update' => $non_update,
@@ -570,4 +604,30 @@
     return $content;
   }
 
+  protected function getSoundForParticipant(
+    PhabricatorUser $user,
+    ConpherenceParticipant $participant) {
+
+    $sound_key = PhabricatorConpherenceSoundSetting::SETTINGKEY;
+    $sound_default = $user->getUserSetting($sound_key);
+    if ($sound_default) {
+      $sound = ConpherenceRoomSettings::DEFAULT_SOUND;
+    } else {
+      $sound = ConpherenceRoomSettings::DEFAULT_NO_SOUND;
+    }
+
+    $settings = $participant->getSettings();
+    $sounds = idx($settings, 'sounds', array());
+    $send = idx($sounds, ConpherenceRoomSettings::SOUND_SEND, $sound);
+    $receive = idx($sounds, ConpherenceRoomSettings::SOUND_RECEIVE, $sound);
+    $mention = idx($sounds, ConpherenceRoomSettings::SOUND_MENTION, $sound);
+
+    return array(
+      ConpherenceRoomSettings::SOUND_SEND => $send,
+      ConpherenceRoomSettings::SOUND_RECEIVE => $receive,
+      ConpherenceRoomSettings::SOUND_MENTION => $mention,
+    );
+
+  }
+
 }
diff --git a/src/applications/settings/setting/PhabricatorConpherenceSoundSetting.php b/src/applications/settings/setting/PhabricatorConpherenceSoundSetting.php
new file mode 100644
--- /dev/null
+++ b/src/applications/settings/setting/PhabricatorConpherenceSoundSetting.php
@@ -0,0 +1,50 @@
+<?php
+
+final class PhabricatorConpherenceSoundSetting
+  extends PhabricatorSelectSetting {
+
+  const SETTINGKEY = 'conph-sound';
+
+  const VALUE_CONPHERENCE_SILENT = '0';
+  const VALUE_CONPHERENCE_HARMONIC = '1';
+
+  public function getSettingName() {
+    return pht('Conpherence Sound');
+  }
+
+  public function getSettingPanelKey() {
+    return PhabricatorConpherencePreferencesSettingsPanel::PANELKEY;
+  }
+
+  protected function getControlInstructions() {
+    return pht(
+      'Choose the default sound behavior for new Conpherence rooms.');
+  }
+
+  protected function isEnabledForViewer(PhabricatorUser $viewer) {
+    return PhabricatorApplication::isClassInstalledForViewer(
+      'PhabricatorConpherenceApplication',
+      $viewer);
+  }
+
+  public function getSettingDefaultValue() {
+    return self::VALUE_CONPHERENCE_HARMONIC;
+  }
+
+  protected function getSelectOptions() {
+    return self::getOptionsMap();
+  }
+
+  public static function getSettingLabel($key) {
+    $labels = self::getOptionsMap();
+    return idx($labels, $key, pht('Unknown ("%s")', $key));
+  }
+
+  private static function getOptionsMap() {
+    return array(
+      self::VALUE_CONPHERENCE_SILENT => pht('No Sounds'),
+      self::VALUE_CONPHERENCE_HARMONIC => pht('A Harmonic Experience'),
+    );
+  }
+
+}