diff --git a/Vagrantfile b/Vagrantfile
index f6b652f..49b5c2a 100644
--- a/Vagrantfile
+++ b/Vagrantfile
@@ -46,4 +46,6 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
     if defined? VagrantPlugins::HostsUpdater
         config.hostsupdater.aliases = settings['sites'].map { |site| site['map'] }
     end
+
+    config.vm.provision 'ffmpeg', type: 'shell', inline: 'apt install -y ffmpeg'
 end
diff --git a/app/SongComposer.php b/app/SongComposer.php
index f89be72..11172f8 100644
--- a/app/SongComposer.php
+++ b/app/SongComposer.php
@@ -152,9 +152,25 @@ protected function createOrUpdate(array $metadata, string $file): array
             Storage::disk()->makeDirectory('public/songs/' . $song->id);
         }
 
+        // Store song image.
         File::move($file, storage_path('app/public/songs') . "/{$song->id}/{$song->id}-{$songDetails->id}.zip");
         Storage::disk()->put("public/songs/{$song->id}/{$song->id}-{$songDetails->id}.{$songData['coverType']}", base64_decode($songData['coverData']));
 
+        // Create MP3 previews (e.g., for iOS).
+        foreach ($songData['songPreviews'] as $audioPath => $songPreviewData) {
+          // Save original song data temporarily to convert with ffmpeg.
+          $audioFilename = basename($audioPath);
+          $storagePathBase  = "public/songs/{$song->id}";
+          $storagePathPreview = "{$storagePathBase}/temp-{$audioFilename}";
+          Storage::disk()->put("$storagePathPreview", base64_decode($songPreviewData));
+
+          // Convert to MP3 with ffmpeg.
+          $audioFilenameBase = pathinfo($audioFilename)['filename'];
+          $previewOutPath = storage_path("app/{$storagePathBase}/{$audioFilenameBase}.mp3");
+          $previewTempPath = storage_path("app/{$storagePathPreview}");
+          exec("(ffmpeg -i \"{$previewTempPath}\" \"{$previewOutPath}\"; rm \"{$previewTempPath}\") > /dev/null &");
+        }
+
         return [
             'status' => static::SONG_CREATED,
             'key'    => $song->id . '-' . $songDetails->id,
@@ -448,4 +464,4 @@ protected function updateCache(array $song)
         }
     }
 
-}
\ No newline at end of file
+}
diff --git a/app/UploadParser.php b/app/UploadParser.php
index be9b5d4..5a9f6f8 100644
--- a/app/UploadParser.php
+++ b/app/UploadParser.php
@@ -138,9 +138,16 @@ function map($v)
             }
 
             $hashBase = '';
+            $songData['songPreviews'] = [];
             foreach ($info['difficultyLevels'] as $difficultyLevel) {
 
                 if ($this->zipHasFile($difficultyLevel['audioPath']) && $this->zipHasFile($difficultyLevel['jsonPath'])) {
+                    // Store song preview data in object for SongComposer to save to disk.
+                    $audioPath = $difficultyLevel['audioPath'];
+                    if (!array_key_exists($audioPath, $songData['songPreviews'])) {
+                      $songData['songPreviews'][$audioPath] = base64_encode($this->readFromZip($audioPath));
+                    }
+
                     $songData['difficultyLevels'][$difficultyLevel['difficulty']] = [
                         'difficulty' => $difficultyLevel['difficulty'],
                         'rank'       => $difficultyLevel['difficultyRank'],
@@ -290,4 +297,4 @@ protected function closeZip()
             $this->zipFile = null;
         }
     }
-}
\ No newline at end of file
+}