Well, that's to be expected, I suppose. Setting aside the strong likelihood that our worlds differ, that theme song you sent seemed awfully short for an anime opening, unless, of course, it was a western original, as was particularly common practice until more recently.

[Licensing, residuals, room for advertisements... There were many reasons for such changes, but he can recognize them easily enough.]

The Featherman franchise is a beloved super sentai series that had its humble origins in the late 80's. It's still quite popular to this day, however.