On 5 April 2017, Justin Carter was a guest on Mister Saturday Night; on 8 February 2017 was a guest on Mister Saturday Night; and on 23 June 2015 was a guest on NTS @ MOMA PS1. Justin Carter has been played on NTS shows including Mister Saturday Night, with Know It All (Version) first played on 29 November 2016.

Justin Carter is a DJ and musician. Alongside Eamon Harkin, he is also the co-founder of Nowadays. In addition to being a resident DJ at Nowadays, Justin is a resident and founder of Mister Saturday Night and Mister Sunday, New York party institutions that have been running since 2009. He released his debut solo album, The Leaves Fall, in 2017.