While its lasting appeal 10 years from now is difficult to determine, it's hard to deny the impact that virtual music games such as Guitar Hero and Rock Band have had on the entertainment industry. These flashing-light button mashers are a dominating product of pop culture. Take their influence on record sales and musical distribution, including the exclusive licensing of artists such as Aerosmith, Metallica and AC/DC, with the Beatles and Jimi Hendrix soon to follow, and their arguable diluting of actual musicianship. Looking to see who within Richmond can rack up the most points, the Science Museum of Virginia holds a Rock Band 2 tournament as part of its Geek Festival 3.0 on Saturday, March 7. Bonus: a fastest phone-texting competition. Registration starts at 9:30 a.m. $10. 864-1400.