Yes, it is confusing, Marion. Most "folk/trad" tunes or songs use the Aeolian/harmonic (true) minor, but there is also the Dorian minor or the Mixolydian (almost minor). Try and sort through the Modes for Mudcatters thread.....
(Is sychronicity in High Gear lately? Why do we have so many threads relating to "modes" again?--just a dumb question....)
(*BG* here----L. Ron Hubbard, where are you when we need you?)