Sir-J (real name: Сергей Дмитриевич Булавинцев ) is a Russian rap artist and beatmaker, born on September 22, 1973. He rose to prominence as a member of rap groups such as Bust AS! DOB , DOB Community , Империя , RAPtila Camaradaz , and Cre8ive . In 1991, Sir-J founded the group Bust AS! with which he released two albums: "5-Year Plan" and "Pregnant Wit Skillz" His contributions to Russian rap include creating unique beats and helping to establish the genre in Russia.

• Genres: Русский рэп, Рэп и хип-хоп
• Country: Russia, USSR
• Language: Russian, English