SiR is an American singer and songwriter. He signed with Top Dawg Entertainment and released albums Chasing Summer and HEAVY. Among his songs are John Redcorn, YOU, and You Can't Save Me. SiR worked with Knxwledge and Chris Dave on his debut album and later released November. He wrote songs for Anita Baker in his early twenties. SiR appears in the film SiR: Handwritten.