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Mysterious graffiti in cities around the world may hold the secret to the title of Arcade Fire's new album. 

The image features the word "Reflektor" spelled out in a diamond within a circle.  And according to "Consequence of Sound," at least two different street artists behind the graffiti claim it's part of a campaign for Arcade Fire. 

Furthermore, there's a new Instagram account filled with pictures of the graffiti, and the image also shows up on the new website 

All of this has led many to guess that the Canadian rockers' upcoming studio effort will be called "Reflektor."  The band's follow-up to 2010's The Suburbs is due out October 29th. 

Photo Credit Getty Images