You can use this accompaniment if you want to accompany a song of you or make a new song with.
Give credit please.
The picture of the background is the Technics SX-C600 organ like organfairy owns it. (Watch his YouTube channel if you want.)
SO original. 
of course it’s free
why would somebody pay for a chord progression, let alone one only using triads
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Uh, isn’t a power chord just the root note and its perfect fifth? The chords here contain thirds as well–that makes them triads.
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