On 19 April 2021, Tirzah was a guest on NTS 10 Curated by Mica Levi. Tirzah has been played on NTS over 430 times, featured on 396 episodes and was first played on 8 August 2013.

Tirzah is British singer-songwriter and recording artist Tirzah Mastin from Essex. Her first solo record, the EP I'm Not Dancing was released in 2013 on Greco-Roman. In 2014, she released an EP No Romance, followed by her single Make It Up in 2015. Her debut studio album, Devotion, was released in 2018 on Domino records. Her second studio album, Colourgrade, was released on 1 October 2021, also on Domino.