Klein is a frequent guest to NTS, appearing on various shows between 16 April 2016 and most recently on 30 September 2021. Klein has been played over 430 times on NTS, first on 22 January 2016. Klein's music has been featured on 414 episodes.

Klein is a London-based experimental electronic producer and recording artist. Signed to Hyperdub in 2017, she released 'Tommy EP' as a follow up to her first two self-released projects 'Only' and 'Lagata'. She has since founded labels ijn inc. and Parkwuud Entertainment. Her music, through mostly sound collage, is heavily influenced by a variety of genres, including R&B and gospel. She has received praise from other artists who share a similar interests, such as Arca and Mica Levi. She was selected by Björk to tour with her in 2018.

Klein has also directed theatre musical Care (London ICA, 2018), which was to be later released as a feature length film in 2021.