on line 1081, you should add something like:
@pause for 5
(in this case 5 seconds). you can read info on pausing a scene here:
HOW TO: Pause A Scene
When you’re showing dancing scenes and no dialogue in the scene, it’s best to pause on the scene for a few seconds before you move on.
Another thread that will be of interest to you: HOW TO: Stage Direction (remember to test on the app for the best results, first play through, reset, then play through again)