Original: Liapunov Sergei Michailovich (1859 - 1924) [Lyapunov, Ljapunov, Liapounow] RUSSIA. Etude 01 - Kolybel'naja.
Oversettelse: Liapunov Sergei Michailovich (1859 - 1924) [Lyapunov, Ljapunov, Liapounow] RUSSLAND. Liapunov - Transcendental Etudes, Op.11.