What was the name of the cold-war singer who has a song in Grand Theft Auto IV, and a wall landmark in Moscow for his memorial?

The singer who is known for having a song in Grand Theft Auto IV and a wall landmark in Moscow for his memorial is Viktor Tsoi. As a prominent figure during the Cold War, Tsoi became an iconic Soviet rock musician and songwriter. His song "Gruppa krovi" ("Blood Type") features in the popular video game, and his influence on Russian rock music has cemented his status as a symbol of artistic expression and rebellion against the Soviet regime. To commemorate his legacy, a wall in Moscow, known as "The Wall" or "Tsoi Wall," became a gathering place for fans to leave graffiti and tributes to Tsoi and his enduring impact on Russian music and culture.