WHO’S NEXT: KATE MILLER-HEIDKE Kate Miller-Heidke HOMETOWN: Brisbane, Queensland, Australia INFLUENCES: Joni Mitchell, Queen,  Regina Spektor ALBUM: Curiouser, out now WEBSITE: katemillerheidke.com ESTABLISHED AS A POP STAR IN HER NATIVE AUSTRALIA since 2007, singer and keyboardist Kate Miller-Heidke is poised to make a similar splash in the u.s. she recorded Curiouser over more than two months in Los Angeles, collaborating with guitarist...