Americana artist, Gretta Ziller has announced the Melbourne launch date for her forthcoming debut album, Queen of Boomtown, due for release Friday, 1 Septemberthrough indie record label, Social Family Records. The Melbourne songstress will perform all the songs from her acclaimed collection, with some select special guests, at the Croxton, Thornbury on Thursday, 31 August. The announcement of a Sydney launch is also imminent, …