What is unusual about piano player in the movie 'Gattaca'?

In the movie 'Gattaca,' the piano player, who is revealed to be a genetically modified individual, is unusual because he plays the piano with remarkable skill despite being physically disabled. His ability to create beautiful music contrasts with the society's emphasis on genetic perfection, highlighting themes of human potential and the value of passion over genetic predisposition. This character serves to challenge the notion that one's worth is solely determined by their DNA.