Question: Jamie Muhoberac received credits for what synthpop duo formed in London in 1981?

Context paragraphs:
Erasure: Erasure ( ) are an English synthpop duo, consisting of singer and songwriter Andy Bell and songwriter and keyboardist Vince Clarke.  They formed in London, and entered the music scene in 1985 with their debut single "Who Needs Love Like That".  Following the release of their fourth single "Sometimes", the duo established itself on the UK Singles Chart and became one of the most successful artists of the late 1980s to mid-1990s.

Pet Shop Boys: Pet Shop Boys are an English synthpop duo, formed in London in 1981 and consisting of Neil Tennant (lead vocals, keyboards, occasional guitar) and Chris Lowe (keyboards, vocals).

Marsheaux: Marsheaux is a Greek synthpop duo formed in Athens in 2003.  The group is composed of vocalists, songwriters and keyboardists Marianthi Melitsi and Sophie Sarigiannidou.  The name Marsheaux is derived from the first syllable of each band member's name.  Both members sing almost exclusively in English.  Andy McCluskey of OMD said about this band: "I do have a soft spot for Marsheaux I have to say.  They have a certain sort of wispy, melancholic charm".

Onetwo (band): Onetwo were a synthpop duo formed in 2000 by singer Claudia Brücken (Propaganda) and keyboardist/singer Paul Humphreys (Orchestral Manoeuvres in the Dark).  Their collaboration had no name until 2004.

Bird York (album): Bird York is the debut album by Bird York.  It includes collaborations with Grammy Award winning producer Larry Klein, and Grammy Award winning engineer mixer, Thom Russo and includes songs heard on "Nip Tuck" and CBS's "Family Law".  Musicians include Tori Amos guitarist Steve Caton, Shawn Colvin producer/bassist Larry Klein, and Seal's keyboardist-programmer, Jamie Muhoberac.

Jamie Muhoberac: Jamie Muhoberac is a session keyboardist with numerous credits, including The All-American Rejects, Fleetwood Mac, The Rolling Stones, Backstreet Boys, Chris Cornell, My Chemical Romance, Paradise Lost, Bowling For Soup, and Pet Shop Boys.  He has often worked with producer Trevor Horn including for Seal and Rod Stewart.

Vicious Pink: Vicious Pink was a synthpop duo formed in Leeds, England in 1981, and active until 1986.

Yazoo (band): Yazoo (known as Yaz in North America for legal reasons involving Yazoo Records) were a British synthpop duo from Basildon, Essex, England, consisting of former Depeche Mode member Vince Clarke (keyboards) and Alison Moyet (vocals).  Formed in late 1981 after Clarke responded to an advertisement Moyet placed in a UK music magazine, over the next 18 months the duo made two critically acclaimed albums, "Upstairs at Eric's" and "You and Me Both", blending Clarke's synthesizer melodies with Moyet's blues- and soul-influenced vocals.  Yazoo enjoyed worldwide success, particularly in their home country where three of their four singles reached the top three of the UK Singles Chart and both their albums made the top two of the albums chart.  In North America they are best known for the song "Situation", originally only a B-side in the UK but which was a club and airplay hit in the US and Canada before being released as the band's debut single in North America.

Chasing Ourselves: Chasing Ourselves are a synthpop duo formed in Bolton, Greater Manchester, England in 2013.  The duo comprises vocalist Jennifer Gill and guitarist and keyboardist Ian Gordon.

Parralox discography: The discography of Parralox, an Australian synthpop duo, consists of seven studio albums, ten extended plays, thirteen singles, eleven music videos and three lyric videos. Formed in 2008 by John von Ahlen in Melbourne, the group is considered to be one of Australia's great synthpop bands.

Supporting paragraphs: Jamie Muhoberac Pet Shop Boys
Answer: Pet Shop Boys