Case: Want some fresh tracks.
Action: Check the "play count" filter inside the playlist and specify ≤5.
Result: Poweramp now only plays tracks that are less heard.
Case: Have played 5 star tracks for decades. Want to hear new good tracks.
Action: Check the "rating" filter inside the playlist and specify 3-4 stars.
Result: Poweramp now only plays 3-4 stars tracks as filtered.