Famous pedal maker BOSS is holding a gear giveaway between Nov 1st 2009 until December 31st 2009.  The contest will have you guessing the name the BOSS pedal used in a particular riff.  You can listen to the riffs on the BOSS website - The Big BOSS Giveaway.  The gear will include a signed pedal from the like of Dave Navarro, Frank Gambale, Yngwie Malmsteen and Lincoln Brewster.

Press release from BOSS:

THE BIG BOSS® GIVEAWAY-GUESS THE RIFF, GET THE GEAR

Grand Prize Wins Four Autographed Pedals and $1,000 in BOSS Gear
Los Angeles, CA, November 2, 2009 - BOSS is giving the tone freaks everywhere the chance to win autographed BOSS pedals by top guitar heroes and $1,000 in BOSS gear with The Big BOSS Giveaway.

To enter, contestants should visit www.BossUS.com/BigBossGiveaway, listen to the featured riff, and pick out the BOSS Distortion or Overdrive pedal that is used to make that particular tone.

The riff will change every two weeks, and a different signed BOSS pedal from a famous guitar hero will be given away, as well as $1,000 in BOSS gear. In addition, a grand prize of $1,000 in BOSS gear and one signed pedal from each of the four guitar heroes will be given to any contestant who enters the contest between November 1 and December 31, 2009. Contestants can enter once every two-week period, giving them up to five chances to win.

The Big BOSS Giveaway Prize Lineup:

Grand Prize

• 11/1/09-12/31/09 One signed pedal for each guitar hero (four in all) and $1,000 in BOSS gear

Biweekly Prizes

• 11/1/09-11/14/09 Dave Navarro signed DS-1 and $1,000 in BOSS gear
• 11/15/09-11/30/09 Frank Gambale signed TU-2 and $1,000 in BOSS gear
• 12/1/09-12/15/09 Yngwie Malmsteen signed NS-2 and $1,000 in BOSS gear
• 12/16/09-12/31/09 Lincoln Brewster signed DN-2 and $1,000 in BOSS gear

Find out more at the BOSS Website.