In June 2018, it was announced that Graziadei was working on a studio album for his first solo project, BillyBio. The album, titled Feed the Fire, was released on November 30th, 2018. BillyBio was asked to be the opening act for Life of Agony's Rise of the Underground tour in Europe October 2018. BillyBio joined Madball on tour for a few shows in early 2019. Billy and his solo project will head off to Europe at the end of May 2019 to play club dates and festivals, such as Antwerp Metal Fest in Belgium and Full Force Festival in Germany.