A1 x J1 (real names Phineas Waweru and Joshua Somerkun) are a British hip hop duo. They released their debut single "Latest Trends" in February 2020, which charted at number 2 in the UK and was remixed by Aitch and A Boogie wit da Hoodie. Their second single "Baby" featured British singer and rapper Deno. Read more on Last.fm