Manually assign/unassign versions for Main tracks

In order to manually add versions, see below:

1. Select your desired Album and open the tracks page
2. On the right hand side, (1) select the  icon > (2) select the track from the Recommended list or the Others list > (3) add the version name into the box and save
   
   

To manually remove versions, select the  icon on the main track 

Unclick the track you no longer want to be a version > select Save