Question: Closer to the Sun is the third studio album by Australian singer-songwriter Guy Sebastian, released on 28 October 2006 by Sony BMG Australia, some tracks that appear on the album were premiered at the free concert, on 27 September 2006, at Federation Square,  a mixed-use development in the inner city of Melbourne, it is located at the intersection of Flinders Street and Swanston Street/St Kilda Road in the city's Central Business District, adjacent which location?
Sentence (from "Closer to the Sun (Guy Sebastian album)"): Some tracks that appear on the album were premiered at the free concert at Federation Square on 27 September 2006.
Relevant evidence: Yes