Insert(b1):Insert(b2) Viewable(b1):Viewable(b2)
- foobar_b2 should be directly to the left of artist
- foobar_b1 should be directly to the left of foobar_b2
- both foobar_b1 and foobar_b2 should be in the column picker for this page
- both foobar_b1 and foobar_b2 should be in the column picker for the main library
- all columns should be resizable