Reggae singer Jah’Mila lands first JUNO nod, while electro-maestro Rich Aucoin picks up another nomination with Synthetic Season 2. When the JUNO Awards return to Halifax on Mar. 24, 2024, there will be a healthy dose of homegrown talent in the running for silverware. Three Haligonians are up for JUNOs at the annual Canadian music industry awards ceremony: Reggae artist Jah’Mila, indie-electronic act Rich Aucoin and classical soprano and conductor Barbara Hannigan…