Was born on October 6, 1963. The childhood passed in the Belgorod region. At school started to play a guitar. After school studied in trading technical school in Kherson. Then returned to Belgorod and again started to play at dances. Served in the army in communication forces. Then Demidych was accepted to Moscow VIA "Youth". After the army entered the Plekhanovskiy institute. Then directed the Komsomol organization in it. After the graduation from the institute was engaged in travel business, then within 5 years represented interests of insurance company. Then tried to return to policy: in 2001 Sergey Demidovich was appointed the plenipotentiary of Altai of the president of the Russian Federation. But when the head of the republic was replaced, a new one didn't take him in the team. From 2000 on 2006 produced 5 albums: Don't Yawn, North, Mother I Climb!, White City, Save Nature. His song "Happy birthday, Dima!” has a great popularity!».