Go to “my stores”, then click on “settings” and select the “releases” tab.

Your releases will appear under “pricing”, set a price for the whole album and a price per track. 

You can also make your music downloadable for free if you wish to do so. 

After defining the prices, click “save” and the products will be visible on your store.

Click "Visit Store" to check your changes

You'll be able to see your items for sale up on your store