peaking at No. 18. "The Boxer", featuring Tim Burgess, became the duo's first single to fail to crack the top 40. The album and single "Galvanize" won a Grammy at the Grammy Awards of 2006. The track "Surface to Air" features a pulsing chord progression and bassline reminiscent of the intro to the Strokes song "The Modern Age". An unofficial, remixed version of the album entitled Flip the Switch was released as a free download, along with the Believe EP, featuring six further remixes of "Believe". In September 2006, the Chemical Brothers were revealed as the first musicians to be involved in Tate Tracks. Tate Modern invited various groups and songwriters to choose a work that inspired them from the gallery's collection of modern art and then write a track about it. The Chemical Brothers' submission, Rock Drill, was inspired by the Jacob Epstein sculpture Torso in Metal from the Rock Drill, and could be heard on headphones in front of the work in the gallery. From October 2006, it also became available to hear online at the Tate Tracks website. 2007–2009: We Are the Night The Brothers announced in June 2006 on their official web forum that the duo had been working on new material, specifically an album, code-named "Chemical 6". Simons also wrote that the band would be playing select venues in the Summer 2007 season, specifying Rome, and also Fabric in London. Simons was also quoted as saying that the duo were "hoping to put a battle weapon out for the summer", possibly referring to the Electronic Battle Weapon series, the somewhat experimental tracks the band occasionally released on white label. "Electronic Battle Weapon 8" and "9" were debuted on Pete Tong's BBC Radio 1 show on 8 December 2006. The double-sided vinyl was finally released just before the Chemical Brothers' much anticipated New Year's Eve gig at the famous Turnmills in London. The vinyl had a limited edition release worldwide and was received well by fans, DJs, and critics alike. "Electronic Battle Weapon 8", at about six and a half minutes, was very distinct from the "big acid" style that the earlier "Electronic Battle Weapons" adhered to. It was characterised by 'thundering' drums with a rising synth line. A version of this track featured on the We Are the Night album and was entitled "Saturate". "Electronic Battle Weapon 9" was a typical Chemicals dancefloor track with