Question: Which singer was a member of more bands, Emily Haines or Edwyn Collins?

Context articles: Metric (band)
Sŵn
Emily Haines
Elevation Records
Home Again (Edwyn Collins album)
Understated (Edwyn Collins album)
What Is Free to a Good Home?
Gorgeous George (album)
Edwyn Collins
Paul Quinn (singer)

Metric is a Canadian rock band founded in 1998 in Toronto.
 The band consists of Emily Haines (lead vocals, synthesizers, guitar, tambourine, harmonica, piano), James Shaw (guitar, synthesizers, theremin, backing vocals), Joshua Winstead (bass, synthesizers, backing vocals) and Joules Scott-Key (drums, percussion).
 Although the band is Canadian, Haines was born in India and Winstead is American.
 The band started in 1998 as a duo formed by Haines and Shaw with the name "Mainstream".
 After releasing an EP titled "Mainstream EP", they changed the band's name to Metric, after a sound that was programmed by Shaw on his keyboard.
 In 2001, Winstead and Scott-Key joined them.
Sŵn Festival ("sŵn" is Welsh for "sound, noise", ] ) is a music festival curated by BBC Radio 1 DJ Huw Stephens and Cardiff-based promoter John Rostron.
 The festival takes place annually in Stephens' hometown of Cardiff, Wales.
 The first Sŵn Festival took place in November 2007.
 Bands playing included The Cribs, Beirut, David Holmes, Edwyn Collins and Cherry Ghost.
Emily Haines (born January 25, 1974) is a Canadian singer and songwriter.
 She is best known as the lead singer, keyboardist and songwriter of the rock band Metric and a member of Broken Social Scene.
 As a solo artist, she has performed under her own name and under the moniker Emily Haines & The Soft Skeleton.
 Haines possesses a soprano vocal range.
Elevation was a record label set up as a joint venture between Creation Records and WEA in 1987.
 Frustrated with the limitations of independent distribution and financing, Alan McGee set up the label to get wider distribution and sales for some of the bands on Creation, with a view to generating additional funds for investment in other Creation artists.
 The label released albums and several singles by Primal Scream, The Weather Prophets, and Edwyn Collins, although the deal with WEA collapsed due to disappointing sales.
Home Again is the sixth solo album by former Orange Juice singer Edwyn Collins, released 17 September 2007 on Heavenly Records.
Understated is the eighth solo album by the Scottish singer/songwriter Edwyn Collins, released 25 March 2013 on AED Records.
What is Free to a Good Home?
 is the first extended play (EP) by Emily Haines & The Soft Skeleton.
 The EP consists of five new songs and a remix, including previously unreleased tracks from the sessions of "Knives Don't Have Your Back".
 It was released July 24, 2007 in Canada and the United States on Last Gang Records.
 The title of the EP comes from a poem by Emily Haines' father, Paul Haines.
Gorgeous George is the third solo studio album by Scottish musician Edwyn Collins.
 The album was recorded at New River in London, with Collins acting as the producer.
Edwyn Stephen Collins (born 23 August 1959) is a Scottish musician, producer and record label owner from Edinburgh, Scotland.
 Collins was the lead singer for the 1980s post-punk band Orange Juice, which he co-founded.
 Following the group's split in 1985, Collins started a solo career.
 His 1994 single "A Girl Like You" was a worldwide hit.
Paul Walter Quinn (born 1959) is a Scottish musician who was the lead singer of cult 1980s band Bourgie Bourgie, and also released records with Jazzateers, Vince Clarke and Edwyn Collins and sang on an early track by the French Impressionists.