String Quartet: Kirill Zapolsky (Violin 1) Alena Yakimova (Violin 2) Tatiana Odintsova (Viola) Alexandra Rednikova (Violoncello) Special thanks to the String Quartet "Premiere": Ella Altunova (Violin 1) Vyacheslav Filippenkov (Violin 2) Tatiana Gaponenko (Viola) Vasily Pavlenko (Violoncello)