Question: Are Ali Campbell and Chrigel Glanzmann members of the same band?

Context articles: My Way (Lady Saw album)
Chrigel Glanzmann
Gibraltar Music Festival
Labour of Love IV
Eluveitie
Duncan Campbell (UB40)
Wychwood Festival
TwentyFourSeven (UB40 album)
Ali Campbell
Eluveitie discography

My Way is the seventh studio album by Jamaican recording artist Lady Saw.
 The album featured guest artists such as Eve, Camar Doyles, & Ding Dong.
 A duet with Ali Campbell on "I Do Love You" was recorded for the album, but not included on the final track listing.
Christian "Chrigel" Glanzmann (born January 1, 1975) is the male lead vocalist in the folk metal band Eluveitie.
 He also plays mandola, whistles, and bagpipes in Branâ Keternâ.
 He was born in Basel, Switzerland, as Christian Oliver Ivan Glanzmann.
The Gibraltar Music Festival, as of 2017 known as MTV Presents Gibraltar Calling, is an annual music festival held in the British Overseas Territory of Gibraltar.
 The Government of Gibraltar's Ministry of Culture confirmed on 10 August 2012, that the inaugural event would be held on 8 September 2012 at Victoria Stadium.
 The first festival had a British artist, Jessie J, as headlining act.
 The rest of the lineup consisted of Ali Campbell from UB40, and local bands Noiz and Jetstream.
Labour of Love IV is the seventeenth album and fourth covers album by UB40, released on the Virgin Records label in 2010.
 It is the first UB40 album not to feature the classic line-up as longtime UB40 vocalist/guitarist Ali Campbell and keyboardist Mickey Virtue both departed the band in 2008; consequently it is the first album by the band to feature vocalist Duncan Campbell.
Eluveitie ( ) is a Swiss folk metal band from Winterthur, Zurich, founded in 2002 by Chrigel Glanzmann.
 The project's first EP, "Vên", was released in 2003.
 "Vên" was a studio project of Glanzmann's, but its success led to the recruitment of a full band.
 The band then released a full-length album, "Spirit", in June 2006.
 In November 2007, Eluveitie was signed by Nuclear Blast.
 The group rose to fame following the release of their first major-label album, "Slania", in February 2008.
 The album peaked at number 35 in the Swiss charts and number 72 in the German charts.
Duncan Campbell (born 3 April 1958 in Birmingham) is an English musician and current lead singer of the reggae band, UB40.
 He joined the band in 2008 after the departure of his brother Ali Campbell.
Wychwood Festival is an annual music festival held at Cheltenham racecourse in Gloucestershire, UK.
 As well as music, the family-friendly three-day festival includes workshops, comedy, the Children's Literature Festival, and a Headphone Disco.
 The festival consists of four stages and has hosted performances from artists such as; The Boomtown Rats; The Proclaimers; Bill Bailey; UB40’s Ali Campbell, Astro and Mickey Virtue reunited; The Levellers; Newton Faulkner; Craig Charles; 10cc; The Waterboys; Duffy; Supergrass; The Stranglers; and The Human League.
TwentyFourSeven is the sixteenth studio album by UB40.
 It is the last UB40 album to feature the classic line-up with vocalist/guitarist Ali Campbell and keyboardist Mickey Virtue.
 In 2008 both of them departed from the band.
Alistair Ian "Ali" Campbell (born 15 February 1959) is an English singer and songwriter who was the lead singer and a founding member of the English reggae band UB40.
 As part of UB40, Campbell sold over 70 million records worldwide and toured the globe for 30 years.
 In 2008, Campbell left UB40 and embarked on a solo career.
 In 2012, Campbell was announced as one of the three judges on the judging panel of the TV show, "New Zealand's Got Talent".
 In August 2014, Campbell announced that he had reunited with former UB40 band mates Astro and Mikey to record a new album, "Silhouette", released on 6 October 2014.
Eluveitie ( ) is a Swiss folk metal band from Winterthur, Zurich founded by Chrigel Glanzmann.
 The band have released 7 studio albums, 1 live album, 2 compilation albums, 6 music videos, 4 singles and 1 demo.