update

src/ui/Root/Root.vue

@@ -13,7 +13,7 @@
                 </div>
                 <div 
                     class="sidebar-add-beat"
-                    @click="addNewBeat()">
+                    @click="onAddNewBeat()">
                     +
                 </div>
             </div> 
@@ -103,6 +103,10 @@
         saveDirty,
     } = beatStore;
 
+    function onAddNewBeat() {
+        activeBeatIndex.value = addNewBeat();
+    }
+
     watch(saveDirty, (dirty) => {
         if (dirty) {
             document.title = `${ TITLE } (unsaved changes)`;