They formed in 1997 and released their debut albumThese Are Our Children in 1998. However, due to Honer being involved with hitmakers All Seeing I, it was not until 2001 that they released their first single, "Daydream in Blue", a remix of The Gunter Kallmann Choir's version of The Wallace Collection's "Daydream". The song was originally released on 7" on Honer's own record label Cercle Records, which he founded with Add N to 's Barry Seven. It was later re-released with a new mix on Instant Karma ; which has also released material from Kings Have Long Arms and Mu Chan Clan. The song also featured on episode 3 of season 1 in the BBC Television television drama Hustle. The track peaked at #20 in the UK Singles Chart in June 2001.
''Neveroddoreven''
They released their acclaimed second albumNeveroddoreven in 2003, which was re-released with a new sleeve in 2005 on Dharma Records. The members are regular guest DJs across the country and have played live shows in London and at various European music festivals. Part of the live band is made up of Fred de Fred and Marion Benoist from The Lovers, on guitar and vocals respectively. Bonus tracks and rarities from "Neveroddoreven" were released on the albums Rare and Remixed.
''Fast, Cheap and Out of Control''
In 2007, I Monster started collaborating with Finnish pop artist, HK119, for her second album. The resulting project, Fast, Cheap and Out of Control was released in September 2008 on One Little Indian Records, and saw I Monster co-write and co-produce over three quarters of the album. This collaboration came from Dean Honers previous role as a remixer for HK119's debut single, "Pick Me Up", from her debut eponymous album in 2006.
''A Dense Swarm of Ancient Stars''
In 2009, the band released the follow-up to Neveroddoreven, titled A Dense Swarm of Ancient Stars, their third album.
''Credo''
In 2011, the band produced The Human League's Credo, its first album in 10 years.
''Swarf''
In 2013, a collection of rarities from the album A Dense Swarm of Ancient Stars were released on the album Swarf.
''Bright Sparks''
Their fourth album, Bright Sparks, was released on 26 February 2016. Bright Sparks Instrumental, an instrumental version of the album, was released on 19 July 2016 on the group's Bandcamp site. Included on this album is a preview track for Bright Sparks Volume Two, which the group have stated will appear in the future.
The band's music has also been used in a number of films such as Shaun of the Dead, Riders, the snowboard video "From _______ with Love", and has been sampled by hip hop artistLupe Fiasco on his second single, "Daydreamin'". It was used in the Ford Focus ST advertisement in the UK, and was also translated into other languages for use in other European countries. "Daydream in Blue" appeared in the Season 2 premiere of Mr. Robot. The "Glamour Puss" remix of their song "Hey Mrs." was used in television commercials for Absolut Vodka and the television series Eureka. "These Are Our Children" was used several times on the Australian television series Underbelly; and was subsequently released as part of the Underbelly soundtrack. It was also used as background music in episode 5 of the ITV drama Married Single Other. The song "Heaven" was used in the introduction to fifth-season episode "Disturbed" of the TV showNumb3rs. "Stobart's Blues" was used in the premier episode of BBC Top Gear's fifth season, when James May reviewed the Vauxhall Monaro. An acoustic version of "Daydream in Blue" was part of the soundtrack of the Brazilian Soap Opera A Dona do Pedaço in 2019.
