Dirty South teases Alesso collaboration ‘City of Dreams,’ announces tour of the same name Dirty south teases Alesso collaboration "City of Dreams" ahead of August 27th release date and announces his upcoming City of Dreams Tour. Related Posts: Alesso and Armin van Buuren unite two storied timelines on ‘Leave A Little Love’ 15 of the most-anticipated IDs of 2021: Axwell and Years, Porter Robinson, Alesso, and more