Well, I checked in the Copyright Office files 1898-1970 for a tune
fitting the words "When You Wore Wh------", and turned up not one
match.  A  real let-down.  I liked relief-editor Rhodes' suggestion
"When You Wore What I Wore," but I didn't even turn up that title.
Why????

 [ It may be a humorous parody, with no copyright registration. ]

If the inquirer can supply a composer name or approximate date of
composition, that might help produce results.