Featuring guest vocals from rapper Kayo, "Homesick" serves as the third single released from Walker's second studio album, From the Inside Out.

"Homesick" is a pop song,[1] written by Frederick and Fridolin Nordsoe, Edwin Serrano and Latesha Marrow, and produced by Stuart Crichton.

[3] Walker told the Daily Mercury that "being homesick can mean many different things to people; for me it is missing New Zealand, the Gold Coast and my mum.

[7] The song was certified gold by the Recording Industry Association of New Zealand (RIANZ), for selling 7,500 copies.

[9] It opens with Walker lying on a sofa, followed by him, dressed in black, singing the song on different coloured backdrops.