Question: What was the birth date of an English synthpop musician that collaborated with Bernard Summer and Johnny Marr?

full_context: Document 1: New Order (band): New Order are an English rock band formed in 1980, currently comprising Bernard Sumner, Stephen Morris, Gillian Gilbert, Phil Cunningham and Tom Chapman. The band was formed in 1980 by Sumner, Morris, and Peter Hook, who were the remaining members of post-punk group Joy Division following the suicide of vocalist Ian Curtis. They added Gilbert on keyboards later that year.
Document 2: 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.
Document 3: Depeche Mode: Depeche Mode are an English electronic band that formed in Basildon, Essex in 1980. The group consists of founders Dave Gahan (lead vocals), Martin Gore (guitar, keyboards, vocals), and Andy Fletcher (keyboards, bass guitar). Depeche Mode released their debut album "Speak & Spell" in 1981, bringing the band onto the British new wave scene. Original band member Vince Clarke (keyboards, guitar), left the band after the release of the album, leaving the band as a trio to record "A Broken Frame", released the following year. Gore took over the lead songwriting duties and, later in 1982, Alan Wilder (keyboards, drums, bass guitar) officially joined the band to fill Clarke's spot, establishing a line up that would continue for the next 13 years. Depeche Mode have been a trio again since 1995, when Wilder left.
Document 4: Electronic (band): Electronic were an English alternative dance supergroup formed by New Order singer and guitarist Bernard Sumner and ex-Smiths guitarist Johnny Marr. They co-wrote the majority of their output between 1989 and 1998, collaborating with Neil Tennant and Chris Lowe, of Pet Shop Boys, on three tracks in their early years, and former Kraftwerk member Karl Bartos on nine songs in 1995.
Document 5: Bronski Beat: Bronski Beat were a popular British synthpop trio who achieved success in the mid-1980s, particularly with the 1984 chart hit "Smalltown Boy". All members of the group were openly gay and their songs reflected this, often containing political commentary on gay-related issues. The initial line-up, which recorded the majority of the band's hits, consisted of Jimmy Somerville (vocals), Steve Bronski (keyboards, percussion) and Larry Steinbachek (keyboards, percussion). Somerville left Bronski Beat in 1985, and went on to have success as lead singer of The Communards and as a solo artist. He was replaced by new vocalist John Foster, with whom the band continued to have hits in the UK and Europe through 1986. Foster left Bronski Beat after their second album, and the band used a series of vocalists before dissolving in 1996.
Document 6: Nick Lowe: Nicholas Drain Lowe (born 24 March 1949), known as Nick Lowe, is an English singer-songwriter, musician, and producer.
Document 7: Chris Lowe: Christopher Sean Lowe (born 4 October 1959) is an English musician, singer, songwriter and co-founder of the synthpop duo Pet Shop Boys which he formed with Neil Tennant in 1981.
Document 8: Get the Message (song): "Get the Message" is a song by Electronic, the English band formed by Bernard Sumner of New Order and ex-Smiths guitarist Johnny Marr.
Document 9: Electric Guitars: Electric Guitars were an English band formed early in 1980 by Neil Davenport (vocals, lyrics) and Richard Hall (bass, vocals) who were both studying English at Bristol University. The band soon increased to a five-man line-up, with Andy Saunders (guitar, vocals), Matt Salt (drums) and Dick Truscott (keyboards), they also later added two backing singers: Sara and Wendy Patridge. Their first single "Health" / "Continental Shelf" was released on local label Fried Egg Records in 1980.
Document 10: New Order discography: The discography of New Order, an English rock band, consists of ten studio albums, twelve compilation albums, three live albums, five extended plays (EPs), thirty-eight singles, twelve video releases, thirty-three music videos and a number of soundtrack appearances. New Order were formed in 1980 by singer and guitarist Bernard Sumner, bassist Peter Hook and drummer Stephen Morris. The group began life as a continuation of their former incarnation Joy Division. Joy Division had disbanded after the death of the lead singer Ian Curtis. Gillian Gilbert, who was Morris' girlfriend at the time, soon joined the group and played guitar and keyboards.
Document 11: Esperanto (Elektric Music album): Esperanto, released in 1993, was the first album by Elektric Music, initially a collaboration of Karl Bartos (formerly of Kraftwerk) and Lothar Manteuffel (formerly of Rheingold), but later only Bartos worked under this name. The project begun after Bartos ended his involvement with Kraftwerk in 1991. The songs "Show Business" and "Kissing the Machine" were co-written with Andy McCluskey of OMD, with McCluskey performing vocals on the latter track. "Crosstalk" and "Overdrive" were co-written with Kraftwerk associate Emil Schult, who was also the art director of the cover graphics of the early Elektric Music releases.
Document 12: Orchestral Manoeuvres in the Dark: Orchestral Manoeuvres in the Dark (OMD) are an English electronic music band formed in Wirral, Merseyside in 1978. Spawned by earlier group The Id, the outfit was founded by Andy McCluskey (vocals, bass guitar) and Paul Humphreys (keyboards, vocals); amid rotating line-ups, Martin Cooper (various instruments) and Malcolm Holmes (drums) are the longest-serving additional members. OMD released their influential debut single, "Electricity", in 1979, and gained popularity throughout Europe with the 1980 anti-war song "Enola Gay". The band achieved broader recognition via their seminal album "Architecture & Morality" (1981) and its three singles, all of which were international hits. Steadily resistant to celebrity status, the group earned acclaim for their adventurous recordings, which combined sonic experimentation and atypical subject matter with musical hooks.
Document 13: Pet Shop Boys discography: The discography of the Pet Shop Boys, an English electronic/pop music duo, comprises 13 studio albums, four compilation albums, two live albums, four remix albums, one extended play and 55 singles. The duo's debut single, "West End Girls", was first released in 1984 but failed to chart in most regions. However, the song was entirely re-recorded in late 1985, and this newly recorded version became their first number-one single, topping the UK Singles Chart, "Billboard" Hot 100 and Canadian Singles Chart. Parlophone Records released the duo's debut album, "Please", in the United Kingdom in March 1986. The album peaked at number three on the UK Albums Chart and was certified Platinum by the British Phonographic Industry (BPI). It also peaked at number seven on the "Billboard" 200 in the United States and was certified Platinum by the Recording Industry Association of America (RIAA). The following summer they released "It's a Sin", the lead single from their second album, "Actually". The single became another UK number one and also reached number nine in the US. This was followed by "What Have I Done to Deserve This?", with Dusty Springfield, which peaked at number two in both the UK and US. In the summer of 1987 the Pet Shop Boys recorded "Always on My Mind", a cover of the Brenda Lee track, and it became their third UK number-one single over Christmas 1987. This was followed by another UK number one, "Heart" in spring 1988. The album "Actually" was released in September 1987, peaked at number two in the UK and was certified three-times Platinum by the BPI.
Document 14: Vince Clarke: Vince Clarke (born Vincent John Martin; 3 July 1960) is an English synthpop musician and songwriter. Clarke has been the main composer and musician of the band Erasure since 1985, and was previously the main songwriter of several groups, including Depeche Mode, Yazoo and The Assembly.
Document 15: 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).
ground_truth: 4 October 1959