Currently you have the ability to filter "Mastered" & "Archived" Song Lockers.
To filter your Song Lockers:
Step 1: Select the Artist Profile that contains the Song Lockers you wish to filter.
Step 2: Click the filter button next to the distribute button.
Step 3: Select your filter: "Mastered Song Lockers" or "Archived Song Lockers"
You'll now only see your Mastered or Archived song lockers. If you wish to see all your song lockers, click the filter button and select "Default".