Question: What band formed in London in 1973 included a former member of the Scottish group Silk?

Context paragraphs:
When Robots Go Bad: When Robots Go Bad is the third studio album released by Hexstatic.  The album features vocals from Ema J, female MC B+, London's Sabirajade and MC Profisee from Scottish group Scotland Yard MCs and Great Ezcape.

Steeltown (band): Steeltown were an Australian band based in the city of Brisbane who performed in the 90s a genre of synth, rock, pop and produced their greatest top forty chart hit with the song 'Hero' which was released in September 1991.  They notably sold more recordings than any other band of the time based in the state of Queensland.  (the video and a live performance can be seen on YouTube).  The group members were Andy Richmond vocals, Peter Howard keyboards, Terry Gidman drums and Kate Richmond vocals and percussion and Reece Speceis Lead Guitar.  The band were formed from the remnant members of a Scottish group called the Technicians who migrated to Australia in the 80s and who also attained top 40 status with their music releases, Hot for Love, Clockwork Clown and Sodier of Fortune through record companies Powderworks, EMI and BMG, and were published by MMA which was owned by legendary rock outfit INXS.

Angelfish (band): Angelfish was a short-lived early-1990s Scottish alternative rock group originating from Edinburgh, Scotland, formed as a side-project to Scottish group Goodbye Mr. Mackenzie, after keyboardist and backing vocalist Shirley Manson was signed as a solo artist to circumvent the Mackenzies' existing record contract.  Angelfish released a single self-titled studio album, "Angelfish", and two singles of which the first was an EP for minor college radio hit "Suffocate Me".

Tonight (Silk album): Tonight is the third studio album from R&B group Silk, released on March 23, 1999 on Elektra Entertainment.  It was their first album in four years and the reason for the break was due to the group wanting to be more involved in the creative process.  Another reason for the hiatus was due to the lackluster performance of their previous album, which caused the group to seek new management after dealing with financial and legal issues.  After severing ties with their former managers, they were managed by Sonja Norwood, mother of singer/actress Brandy.  They were soon given the green light to record a new album by Elektra's then-president Sylvia Rhone, who let them take their time to record the album until they had the right songs.

Ultravox: Ultravox (formerly known as Ultravox!)  are a British new wave band, formed in London in 1973 as Tiger Lily.  Between 1980–86, they scored seven Top Ten albums and seventeen Top 40 singles in the UK, the most successful of which was their 1981 hit "Vienna".

Margaret Oliver Brown: Margaret Oliver Brown (née MacDonald) (20 September 1912 – 17 November 1990) was a Scottish painter and illustrator.  She worked as a commercial artist before studying painting at Glasgow School of Art (1937–41).  She was a founder member of the New Scottish Group.

New Scottish Group: The New Scottish Group was a loose collection of artists based in Glasgow, who exhibited from 1942 to 1956.  It was formed around John Duncan Fergusson after his return to Glasgow in 1939.  It had its origins in the New Art Club formed in 1940, and had its first exhibition in 1942.  Members did not have a common style, but shared left-wing views and were influenced by contemporary continental art.  Members included Donald Bain, William Crosbie, Marie de Banzie and Isabel Babianska.  Tom MacDonald, Bet Low and William Senior formed the Clyde Group to pursue political painting that manifested in urban industrial landscapes.  The group helped start the careers of a generation of Glasgow-based artists and was part of a wider cultural "golden age" for the city.

Home Is Where the Van Is: Home Is Where the Van Is, an album by The Battlefield Band, was released in 1980 on the Temple Records label.  The album, the band's U.S. debut, "continued the Scottish group's affinity for blending modern instrumentation into the country's folk tradition."  Several songs from the album notably featured band member Ged Foley on the Northumbrian smallpipes.

Slik: Slik were a Scottish pop group of the mid-1970s, most notable for their UK no. 1 hit "Forever and Ever" in 1976.  Initially glam rock, the band later changed their style to soft rock/bubblegum.  It was the first band with whom singer and guitarist Midge Ure began to experience musical success, before joining new wave band Ultravox.

Isabel Brodie Babianska: Isabel Brodie Babianska (5 February 1920 – 2006) was a Scottish painter and founder member of the New Scottish Group.  She worked on various commissions as a costume and stage designer, and as an illustrator and model.

Supporting paragraphs: Slik Ultravox
Answer: Ultravox