When logged into the SymphonicMS, click on "Distribute" and then click "Releases".
Find the release and click on the release name
When viewing the details of the release, you will see a "Partner Links" tab.
Here we list the links of partners we can pull the release link data from. Currently iTunes is the only partner we can pull this page data from. We display it as soon as we can fetch it for you. We are in the process of adding additional partners to this list.