diff --git a/src/components/project/virtual-sample/DynamicView.vue b/src/components/project/virtual-sample/DynamicView.vue
index 8a9690b..244041a 100644
--- a/src/components/project/virtual-sample/DynamicView.vue
+++ b/src/components/project/virtual-sample/DynamicView.vue
@@ -9,6 +9,7 @@
           :aria-controls="track.slug"
           :style="`--btn-image: url(${getFrontViewUrl(track)});`"
           @click="selectTrack(track)"
+          :data-comments="getCommentsCount(track)"
         >
           <span>{{ track.title }}</span>
         </button>
@@ -136,6 +137,14 @@ function removeTrack(track) {
     (activeTrack) => activeTrack.title !== track.title
   );
 }
+
+function getCommentsCount(track) {
+  let count = 0;
+  for (const file of track.files) {
+    count += file?.comments?.length || 0;
+  }
+  return count > 0 ? count : undefined;
+}
 </script>
 
 <style>