On 19 April 2021, Tirzah was a guest on NTS 10 Curated by Mica Levi. Tirzah has been played on NTS over 460 times, featured on 432 episodes and was first played on 8 August 2013.

Tirzah Mastin (known simply as Tirzah) is a singer-songwriter and recording artist born and raised in Essex, England. Her first solo record, the EP “I'm Not Dancing,” was released in 2013 with Greco-Roman Records. Almost a year later, she released another EP, “No Romance,” and the single “Make It Up” in 2015. Her debut studio album, “Devotion,” was released in 2018 with Domino Records, from which the song “Holding On” was featured in several Burberry HER Eau de Parfum commercials. In April of 2021, she began to release what would be a total of four songs off her second studio album, “Colourgrade,” which released on October 1st, 2021, followed by a remix album titled “Highgrade” in 2022. As of September 5th, 2023, she has released a similarly ethereal yet further experimental third studio album, “trip9love…???”.