Spectrogram of: The Well-Tempered Clavier, Book 2: Prelude and Fugue No. 4 in C sharp minor, BWV 873 Performed by: Sviatoslav Richter Audio source: • The Well-Tempered Clavier, Book 2: Prelude... Playlists: All spectrograms: • All spectrograms Composer: Bach: • Composer: Bach Performer: Sviatoslav Richter: • Performer: Sviatoslav Richter Bach: WTC, Book 1: • Bach WTC, Book 1 Bach: WTC, Book 2: • Bach WTC, Book 2 A spectrogram is a way to see sound. It shows how the frequencies of a piece change over time — lower tones appear at the bottom, higher tones at the top, and the colors represent how strong each sound is. It lets you visually explore the structure of music: harmonies, rhythms, and timbres become patterns you can watch unfold. Created with custom software — details are available in the channel description.