In the 2014 film `` Get On Up '' , a biography of James Brown produced by Bryan Grazer and Mick Jagger , Bass is portrayed by Josh Hopkins . In the 2014 film `` Get On Up '' , a biography of James Brown , produced by Bryan Grazer and Mick Jagger , Josh Hopkins is presented with a bass . In the 2014 film `` Get On Up '' , a biography of Josh Hopkins presented by James Brown , Bryan Grazer and Mick Jagger bass is produced .