Twilight is the first series of books I've ever read. I didn't get into the Harry Potter series, even though I love the movies. Twilight really caught my attention and held it. I'm really excited to see the book adapted to film and excited that our band gets to be a part of the phenomenon. I chose the title "Decode" because the song is about the building tension, awkwardness, anger and confusion between Bella and Edward. Bella's mind is the only one which Edward can't read and I feel like that's a big part of the first book and one of the obstacles for them to overcome. It's one added tension that makes the story even better."
Alexandra Cahill of Billboard gave the song a positive review by stating that "vocalist Hayley Williams captures the tension and urgency between undead protagonist Edward and mortal love interest Bella with an impassioned, yet restrained performance". Cahill also stated, "expertly crafted follow-up Decode promises to stake a claim at modern rock and top 40 radio".
"Decode" impacted radio on October 21, 2008, charting on the BillboardHot Modern Rock Tracks at number 35 and peaked at number 5, giving them their third top twenty hit on the chart. "Decode" became their second top forty hit, and their highest debut on the Billboard Hot 100 at number 34. Seven weeks after its debut, it reached a new peak at number 33. It also debuted at number 52 on the Canadian Hot 100. It was only released digitally in the UK. The song was certified Platinum in the U.S on February 16, 2010, selling over 1,000,000 copies. In New Zealand, the song debuted at number 40 on November 24, 2008 and peaked at number 15, becoming their highest peaking single there so far until the release of "The Only Exception". The song was certified Gold on July 5, 2009, selling over 7,500 copies, and spent a total of fifteen weeks on the chart.
In Germany, the song debuted at number 50 on November 24, 2008 and peaked at number 47 and spent a total of 9 weeks on the chart
The official music video premiered on November 3, 2008 on MTVu, MTV, MTV2 and on MTV.com and was directed by Shane Drake. The video features the band members walking and performing in the woods, in Nashville, Tennessee (even though in the video, it is clearly supposed to be Forks, Washington). While they play, there are also scenes of the band acting as tracker vampires searching through the woods. Scenes from Twilight are also intercut.
The music video, along with the film trailer, were shown in the North American theater of PlayStation Home from December 11, 2008 to December 18, 2008.
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