So NPR did a piece on music and kids and one of they people they talked to this time is 29 year old Nico Muhly. In it Nico talks about how Nintendo games helped him learn how music could influence emotion and then used that as a classical composer.
Additionally, I highly recommend listening to the full version of The Young Persons Guide to the Orchestra.
Do you play an instrument or compose music? If so, how has the video games you've played influenced not only how you play or compose, but how you understand music?
If not, have video games influenced your musical palette or given you an understanding of music?