This task is also is NGS-only.

This affects:

artist-release Engineer Relationship Type
artist-release Audio Engineer Relationship Type
artist-release Balance Engineer Relationship Type
artist-release Editor Relationship Type
artist-release Engineer Relationship Type
artist-release Live Sound Engineer Relationship Type
artist-release Mastering Engineer Relationship Type
artist-release Mix Engineer Relationship Type
artist-release Programming Relationship Type
artist-release Recording Engineer Relationship Type
artist-release Sound Engineer Relationship Type
artist-release Tonmeister Relationship Type
artist-track Engineer Relationship Type
artist-track Audio Engineer Relationship Type
artist-track Balance Engineer Relationship Type
artist-track Editor Relationship Type
artist-track Engineer Relationship Type
artist-track Live Sound Engineer Relationship Type
artist-track Mastering Engineer Relationship Type
artist-track Mix Engineer Relationship Type
artist-track Programming Relationship Type
artist-track Recording Engineer Relationship Type
artist-track Sound Engineer Relationship Type
artist-track Tonmeister Relationship Type

All of the above should be merged down to 2 ARs...
artist-release Engineer Relationship Type
artist-track Engineer Relationship Type

...in the following ways:

• Engineer => Engineer + no selection made in the Engineer type tree (ie, no change)
• Audio Engineer => Engineer + Audio Engineer selection in the Engineer type tree
• Editor => Engineer + Editor selection in the Engineer type tree
• Mastering Engineer Relationship Type => Engineer + Mastering Engineer selection in the Engineer type tree
• Mix Engineer Relationship Type => Engineer + Mix Engineer selection in the Engineer type tree
• Programming Relationship Type=> Engineer + Programmer selection in the Engineer type tree
• Recording Engineer Relationship Type => Engineer + Recording Engineer selection in the Engineer type tree
• Sound Engineer Relationship Type => Engineer + Sound Engineer selection in the Engineer type tree
• Live Sound Engineer => Engineer + Sound Engineer selection in the Engineer type tree (note that there is no live sound engineer tree option; this is on purpose)
• Balance Engineer Relationship Type => Engineer + Balance Engineer selection in the Engineer type tree
• Tonmeister Relationship Type => Engineer + Tonmeister selection in the Engineer type tree

Note that artist-label Engineer Position Relationship Type is not affected in any way by anything in this task.