WIN! Tickets to the 20th Dour Festival in Belgium (Mystery Jets, The Fall, Foals, Battles)

DiS's friends at the annual Dour Festival, Belgium - celebrating its 20th anniversary - have given us a number of tickets to give away to the four-day festival, held July 17-20.

Winners' tickets cover entrance to the festival only; you'll have to make your own way there, and take a tent if you know what's good for you. The festival is held near the France-Belgium border, and a map and information of how to get there can be found here.

A number of FAQs about Dour can be read here, with the official website's homepage yours to click to here.

Featuring over 200 bands across a number of stages, Dour is one of continental Europe's most successful festivals. Its line-up this year includes, among many others:

Tortoise, Goldfrapp, The Fall, The Brian Jonestown Massacre, Neon Neon, Foals, Birdy Nam Nam, Tiga, Ice Cube, Pinback, The Notwist, Battles, Roni Size, Meat Puppets, The (International) Noise Conspiracy, The Raveonettes, Mystery Jets (pictured), The Teenagers, Oxbow, Bonde Do Role, Boys Noize, Chrome Hoof, Earth, Fujiya & Miyagi, Flying Lotus

Find the full bill here. To win a pair of tickets for you and a friend, answer this question:

Dour Festival is celebrating its 20th anniversary, but how many years old is popular video game Tetris?

A) *23*?

B) *46*?

C)* 211*?

Send your answer to COMPETITION CLOSED, writing Dour Festival 2008 in the subject line. Winners will be contacted by Dour Festival representatives on July 1. For terms and conditions please click here.

Good luck!