source: Frédéric Chopin's Opus 57 is a berceuse for solo piano.
target: Frederic Chopin's Opus 57 is a lullaby for piano.
references: Frederic Chopin's Opus 57 is a lullaby for piano. Frederic Chopin's Opus 57 is a lullaby for one piano player. Chopin's Opus 57 is a lullaby for a single piano. Opus 57 is a lullaby on the solo piano by Frederic Chopin. Chopin's Opus 57 is a piano lullaby. Frédéric Chopin's Opus 57 is a piano berceuse. Frédéric Chopin's Opus 57 is considered a lullaby for solo piano. Chopin's Opus 57 is a lullaby for piano. Frédéric Chopin's Opus 57 is a lullaby for piano. Chopin's Opus 57 is a lullaby played by a single piano.