First select CD or MP3 from the pulldown menu
Then click on the "add to wishlist button" to move that recording to your wishlist.
You will then be asked to log into your account if you are not already logged in. If you are a first time user you may create an account here as well.
Go about your life and when you are ready to purchase the recordings you can access your saved products anywhere on the site from the upper left corner.
From the wishlist page you can add the products to your cart or remove them altogether from your list.