TRON: Legacy takes place 20 years after the original, with Kevin Flynn's (Jeff Bridges) son Sam (Garrett Hedlund) entering the virtual world of TRON to find his father. It's also been confirmed that members of Daft Punk will appear in the film as DJs.
The TRON: Legacy soundtrack will be available as a high quality 320Kbps MP3 for $10. Those wishing to purchase a physical copy of the soundtrack can do so for $35 and get a yet-to-be-revealed poster as part of the deal.
In the nearly 30 years since its release, TRON has gone on to become one of the most prolific science fiction films of all time. The sequel borrows heavily from the techno-styling of the original, but has received a healthy dose of modern special effects, as evidenced by the TRON: Legacy trailer: