Party in the Park. This inaugural event was held at North Sydney Oval. The event featured a wide variety of artists including The Cat Empire, The Jezabels, Husky, Little May and Sons of the East. 
Photos from the event can be seen on The Dwarf: http://www.thedwarf.com.au/photo/20751/party-in-the-park  

Mardi Gras 2015 recently took place from the 20th of February to the 8th of March.
There were a wide range of events happening throughout this time.
Below are three articles that have been created on Newzulu:  

Link to the article: http://www.newzulu.com.au/en/photos/life/2015-03-07/9042/sydney-hundreds-of-thousands-celebrate-mardi-gras.html 

Link to the article: http://www.newzulu.com.au/en/videos/life/2015-03-07/9044/video-sydney-motorbikes-kick-off-mardi-gras-parade.html

Link to the article: http://www.newzulu.com.au/en/photos/life/2015-03-07/9041/sydney-atm-machines-receive-a-mardi-gras-makeover.html

Future Music Festival Sydney provided a lot of action across a wide variety of stages.  
I was lucky enough to be able to photograph this festival on behalf of The Dwarf. 
The festival included artists such as Hilltop Hoods, Sven Vath, Avicii, Darude and much more.
Check out the two photo albums below: