Following a four-year hiatus that saw more than a few break-up rumors, Bloc Party is back with "Octopus," the first single off its new record, "Four." The number four holds a lot of meaning for the U.K. indie rockers -- not only is it the number of years since they released their last record, but it's also the title of their upcoming studio album, which will be their fourth LP.
Sonically, "Octopus" takes the band back to the earliest days of "Silent Alarm," the group's 2005 debut. Despite the hectic guitars, lead singer Keke Okereke's strained voice, and the overall upbeat tempo, the track is pure rock 'n' roll, making a swift change from Bloc Party's last release, 2008's "Intimacy," which found the band in more electronic territory.