Original: Complete Lyric Pieces. Valse-Impromptu, Op. 47. Valse-Impromptu, Op. 47, No. 1. Centennial Edition. Edvard Grieg. Advanced.
Tradução: Completar Lyric Pieces. Francés Serenade op. 62, N º 3. Valse-Impromptu op. 47. Valse-Impromptu op. 47, N º 1.