 During that time, Cox joined an all-female tribute band called "Queen Diamond" (tribute band to King Diamond).At age 18, Cox continued playing guitar under the tutelage of virtuoso Chris Gordon in Wilmington, Delaware, before moving to Los Angeles In December 2008, Cox was invited as a guest performer with the Iron Maidens, after which she officially became a member of the band.As a member of the Maidens, Cox's stage name is "Adriana Smith", a female version of Iron Maiden guitarist Adrian Smith.