Sound recordings from the first decades of the 20th century form a performance-practice treatise, documenting practices that may offer insight into music-making of earlier times. In the case of piano music, very many of these recordings are recordings of Chopin’s music. There are a lot of recordings of short pieces. (The length of one cylinder and later one “side” of a disc was around 3 minutes.) Chopin: Waltz in A Minor, op. 34, no. 2, Robert … [Read more...]