the band got good reviews from critics in the united states, and they toured there a lot over 2006. at the start of 2006, they finished their tour with sold out shows in los angeles, miami and berkeley. it sold 350,000 copies in north america and over a million worldwide. after the success of the album, the established electronic group the chemical brothers soon collaborated with okereke for "believe", a track on the brothers' "push the button" album. an album of remixes of tracks from "silent alarm" was released at the end of august in the uk. the album was called "silent alarm remixed", and it kept the first album's song list.