UPDATED: Sundry Info to Comments v4.0
iTunes knows some stuff about your tracks but won't let you see it other than via the Get Info panel because there are no columns in the browser window to accommodate it. We can fix that.
Sundry Info To Comments v4.0 can copy your single choice of filename, file path (location), file's parent folder path, file creation date (YYYY-MM-DD HH:MM:SS), current playlist, volume adjustment, start time or stop time (HH:MM.SS), artwork size (WxH), purchaser name or purchaser account ID to choice of Category, Comments, Description or Episode ID tag of each selected track. By putting data in one of these available tags it can be visible and sortable or used with Smart Playlist criteria.
Setting up to copy the Apple ID to the Episode ID tag of the track selection.
This latest version adds the track's start time, stop time and artwork size as info to apply; adds the Episode ID tag as a potential target tag; adds user-enterable separator-text field when appending to extant tag text; now stays active and frontmost until Quit; has minor compatibility adjustments for OS X 10.10.
Sundry Info To Comments is for OS X 10.8 and later and is free to use full-featured for ten day, $1.99 thereafter. More info and download is here.