TJ Cases, also known as Low Deep T, is a house and garage songwriter and producer of South African descent based in London. He is best known for the UK garage songs "Do It Again", "You Bring Me Joy" (which both feature singer Kat Blu), "Don't Stop (Not Tonite)" and the No. 1 UK Dance hit "Dedicated to Love" featuring singer Marissa, as well as the 2012 song "Casablanca".
Low Deep T recorded his own version of "You Bring Me Joy" for his 2019 album Stronger Together.