While they haven't shared any new tracks this year, they re-released their "Genius" track with a new verse from Lil Wayne back in January.
Diplo has had his head in multiple projects as of late, including the release of his Europa EP last month, which featured his "New Shapes" collaboration with BBC Sound Of 2019 winner Octavian. Elsewhere he's worked with MØ, and longtime friend Mark Ronson as Silk City.
The LSD album will be Sia's first album since her 2016 This Is Acting record. On Christmas Day last year she also revealed her feature-length musical that she wrote and directed would also be coming out this year.