Hailed by Azalea as her most personal song, "Work" was developed with motivational and inspirational intentions to portray her life story; specifically dealing with her struggle as an up-and-coming rapper, and her relocation from Mullumbimby, New South Wales to Miami, Florida at age 16.
A number of music critics consider the song to be among Azalea's best output, namely praising her flow and the depth of the lyrical content.
"Work" became a sleeper hit; it peaked at number 17 on the UK Singles Chart and number 54 on the US Billboard Hot 100.
The track was certified silver and platinum by the British Phonographic Industry (BPI) and Recording Industry Association of America (RIAA), respectively.
"Work" became one of the lowest peaking songs to receive a sales certification in Australia where it reached number 79 and was certified gold by the Australian Recording Industry Association (ARIA).