In StudioCDN if you include a audio file a new section pops up which allows you to include information about the artist and album. In order to edit the information about the Artist Name and the Project Title click on the Purple speech icon which is shown in the picture below.
At that point the two text fields will be able to be changed. To close out of the edit information section click on the purple icon again.
To include a Album Cover click on the StudioCDN default image which is right next to the purple speech icon. This will bring up the open menu and from there select the album cover that you want.
So for the following info for the package sent as shown in the picture below.
It will appear as this to the sender.