Question: What member of Celestial navigations has worked on over 450 gold and platinum albums including "21"?

Chaka Khan (born Yvette Marie Stevens, March 23, 1953) is an American recording artist whose career has spanned five decades, beginning in the 1970s as the frontwoman and focal point of the funk band Rufus.  Widely known as the Queen of Funk, Khan has won ten Grammys and has sold an estimated 70 million records worldwide.  Khan was ranked at number 17 in VH1's original list of the "100 Greatest Women of Rock & Roll".  In 2015, she was nominated for induction into the Rock and Roll Hall of Fame for the second time; she was previously nominated as member of Rufus in 2011.  Khan was the first R&B artist to have a crossover hit featuring a rapper, with "I Feel for You" in 1984.  In the course of her solo career, Khan has achieved three gold singles, three gold albums and one platinum album with "I Feel for You".  With Rufus, she achieved four gold singles, four gold albums, and two platinum albums.  In December 2016, "Billboard magazine" ranked her as the 65th most successful dance artist of all time. <SEP> Sylvain Cossette (born May 8, 1963) is a French-Canadian singer-songwriter from Grand-Mère, Quebec (located in the Mauricie region).  Sylvain was a founding member of the Quebec-based English language band Paradox in 1984, before becoming a French language solo artist by 1994.  During his career he has sold over one million albums (12 Gold and Platinum), recorded thirty-two #1 hit songs and eight Number 1 albums, earned six Silver, Gold and Platinum Tickets, won 10 Quebec Felix Music Awards, six Socan awards and four Juno nominations, and performed in Canada and Europe in the hit stage musicals "Notre Dame De Paris" and "Dracula".  Cossette's 2001 album "Rendez-vous" was certified Platinum by the CRIA in November 2002.  His 2007 album "70s" (#1 Quebec, #2 Canada) is his first all English release and produced four Number 1 hit singles and two Number 1 hit videos.  The album went Gold (50,000 CDs sold) in 27 days and Platinum (100,000 CDs sold) in 15 weeks.  The 70s concert tour went Silver Ticket (25,000 tickets sold) in three months and Gold Ticket (50,000 tickets sold) within a year.  On October 21, 2008, he released the album "70s Volume 2" and produced three Number 1 hit singles and one Number 1 hit video.  The album went Gold (50,000 CDs sold) in 19 days and Platinum (100,000 CDs sold) in 11 weeks.  On October 25, 2010, the album 70s Volume 3 was released and quickly went Gold.  The 70s project has so far sold almost 400,000 albums, 150,000 concert tickets and been seen by over a 650,000 people at outdoor festivals.  In September 2011 he launched his new one-year tour «The Best of the 70s».  In October 2011, two compilation albums were released of his greatest French language hits.  On October 1, 2012, he release his first original French language album in 12 years called "Le jour d'après" (4 number one hit songs) which he wrote, co-arranged and co-produced.  His next album RETROSPECTIVE spawned a tour throughout French Canada in 2013-2014.  In April 2014 he released an album "Les numérous 1" of his career #1 hit songs that he composed.  A new trilogy project (album/photobiography book/tour) called ACCORDS was released in October 2014 and spawned three Number 1 hit singles followed by a tour throughout French Canada in 2015.  In 2014-16 he was the creative force behind two children projects (albums and live shows): Lily et le Lutin & Pyjama Party.  In 2017 he released his first instrumental album Café et Guitares in over 200 countries. <SEP> David Richard Campbell (born February 7, 1948) is an arranger, composer and conductor.  He has worked on over 450 gold and platinum albums including "21" (Adele), "Futuresex/Lovesounds" (Justin Timberlake), "The 2nd Law" (Muse), "Invincible" (Michael Jackson), "Spirit" (Leona Lewis), "Aaliyah" (Aaliyah), "Fallen" and "The Open Door" (Evanescence), "Meteora" (Linkin Park), "B'Day" (Beyoncé), "Bangerz" (Miley Cyrus), "The Astonishing" (Dream Theater), and various albums by his son Beck. <SEP>  Their performances consisted of Lewis telling a story along with electronic music to enhance the story. Celestial Navigations was an American music and story-telling group with members Geoffrey Lewis, Geoff Levin, David Campbell, Eric Zimmerman, Betty Ross, and Chris Many.  Lewis received a Drama-Logue Award for his performances.