The 5th Music Matter Live is Asia's premier music festival. It will be held at Clark Quay and will host more than 70 singers and bands from 20 countries and territories.
She plans to sing seven songs at the festival, including three from her debut album, Wake Up, released in March 2015.
Thuy will be accompanied by the five-member band Anh Em. Apart from performing Dreaming, What We Do, and What Am I Worth by Christian Surena, Thuy will perform three Vietnamese musicians on Shuffle stage from 10.30pm to 11pm on May 21.
Thuy will open the show on Funtain stage at 6pm on May 23.