If the question of whether or not Jackie can play piano has bothered you since you first saw "Twin Dragons" and the small clip in "Jackie Chan: My Story" didn't satisfy you - then here is proof Jackie can at least play SOME piano:
This is footage from the press release of the MV 'My Own Movie' a duet with Jackie and Zhou Hui, during which it can be clearly seen (no tricks involved) that Jackie does play at least a bit.
This is footage from the press release of the MV 'My Own Movie' a duet with Jackie and Zhou Hui, during which it can be clearly seen (no tricks involved) that Jackie does play at least a bit.