Original: Grieg & Mendelssohn. Lyric Pieces, Book IV - Valse-Impromptu, Op. 47, No. 1. Moods - II. Scherzo-Impromptu, Op. 73, No. 2.
Oversettelse: Grieg. Lyriske stykker, Bok IV - Valse-Impromptu, Op. 47, nr. 1. Moods - II. Scherzo-Impromptu, Op. 73, nr. 2. Versjon 2.0.