In 1997, he and producer Michael Lloyd formed what would become one of New Zealand's most successful pop groups, Deep Obsession, with singer/songwriter Zara Clark and Vanessa Kelly.
A year later, they were the first New Zealand act to be signed direct to Universal Music and their debut single "Lost in Love" was a number 1 hit.
[6] Banks' writing collaboration with Nicolette Kenny has also seen the appearance of several more songs on the soundtrack of syndicated children's TV show The Saddle Club, which screens around the world.
She has covered many styles of music, from her experimental women's group Turiiya in the eighties, to folk and the incorporation of Indian rhythms and melodies in much of her nineties work.
[10] Christopher Banks has collaborated with her on several albums since the late 1990s, contributing keyboards to "Sounds of Silence" (1996), "Longing" (1997), "Era Dynamic" (2001), "Reddish Blossom" (2004), and co-producing (with Michael Lloyd) the critically acclaimed "Magnificence" (2000) and "Dancing Divinity" (1999), a concept album based on a performance devised by Joshna for the ill-fated 1999 Sweetwaters Music Festival.
[19] His feature articles focused mainly on social and political issues relevant to the gay community, or debunking religious arguments against homosexuality.
[23] In 2005, Banks wrote, produced and directed a low-budget digital feature, Quiet Night In, in which his former pop collaborator Nicolette Kenny played the lead role.