1) The 11th LP from the Australian alt-country star is her first double album. 2) Vocal cord surgery in 2015 hasn’t slowed Chambers, who sounds as energized and focused as ever. 3) Dragonfly is roots-oriented, with flits of folk, blues, and Americana. Credit producers Paul Kelly and her brother, Nash Chambers. 4) Keith Urban appears on “If We Had a Child.” Other guests include Foy Vance, Linda Bull, Vika Bull, Grizzlee Train, and Harry Hookey.