In 2010, Rhim joined the band Fallon Bowman and the Grace Dynasty. The band played a series of live shows and announced their forthcoming debut album. Soon after the recording of the album, the decision was made for Fallon Bowman to drop the Grace Dynasty from the band's name and to continue it as solo project. The album, Human Conditional, was released on January 25, 2011.
Previously, he played and recorded with Toronto rock band Aphasia (now known as A Primitive Evolution) and Canadian singer/songwriter Mike Lynch. Also, he was a member of both the Niagara and Hamilton Youth Orchestras.
James endorses ddrum acoustic drums and Dream cymbals.