Sinéad Monica Harnett, known professionally as just Sinéad Harnett, is a singer-songwriter hailing from North London, England. She was born to a Thai mother and an Irish father.

Harnett debuted in the recording industry was alongside Wiley, an East London MC and producer. After announcing an open call on his Twitter to find a featuring artist, Harnett was selected and appeared on his 2011 single “Walk Away.” Following her recognition, she began collaborating with big players, such as Rudimental and Disclosure. Her first solo single, “Got Me,” was released two years later in 2013. Harnett has been most recognised for her mellow voice and soothing R&B aesthetics.

Since her debut, Harnett has released a variety of EPs and mixtapes, all under Rinse FM, and finally released her debut studio album Lessons In Love in 2019, under Bad Music.