The game allowing you to play this song in Pro Drums Mode, or the song having cymbals, is NOT a valid reason to mark it as having Pro Drums.
This song may not have proper Pro drums. If you've played this song in Pro mode and it makes you play a cymbal where you should be playing a pad, then please mark this as not having Pro drums. Otherwise, mark it as having Pro drums. If you're unsure, do nothing.
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