
Ballade No. 1
Ballade No. 1. Chopin, Op. 23. The real amplitude waveform of a public-domain (CC0) recording, rendered from the actual audio, not a decorative curve. CC0 1.0 (Public Domain), Musopen Chopin collection, archive.org/details/musopen-chopin

Nocturne
Nocturne. Chopin, in C-sharp minor. The real amplitude waveform of a public-domain (CC0) recording, rendered from the actual audio, not a decorative curve. CC0 1.0 (Public Domain), Musopen Chopin collection, archive.org/details/musopen-chopin

Fantaisie-Impromptu
Fantaisie-Impromptu. Chopin, Op. 66. The real amplitude waveform of a public-domain (CC0) recording, rendered from the actual audio, not a decorative curve. CC0 1.0 (Public Domain), Musopen Chopin collection, archive.org/details/musopen-chopin

Minute Waltz
Minute Waltz. Chopin, Op. 64 No. 1. The real amplitude waveform of a public-domain (CC0) recording, rendered from the actual audio, not a decorative curve. CC0 1.0 (Public Domain), Musopen Chopin collection, archive.org/details/musopen-chopin

Heroic Polonaise
Heroic Polonaise. Chopin, Op. 53. The real amplitude waveform of a public-domain (CC0) recording, rendered from the actual audio, not a decorative curve. CC0 1.0 (Public Domain), Musopen Chopin collection, archive.org/details/musopen-chopin

Raindrop Prelude
Raindrop Prelude. Chopin, Op. 28 No. 15. The real amplitude waveform of a public-domain (CC0) recording, rendered from the actual audio, not a decorative curve. CC0 1.0 (Public Domain), Musopen Chopin collection, archive.org/details/musopen-chopin

Mazurka
Mazurka. Chopin, Op. 17 No. 3. The real amplitude waveform of a public-domain (CC0) recording, rendered from the actual audio, not a decorative curve. CC0 1.0 (Public Domain), Musopen Chopin collection, archive.org/details/musopen-chopin

Prelude
Prelude. Chopin, Op. 28 No. 1. The real amplitude waveform of a public-domain (CC0) recording, rendered from the actual audio, not a decorative curve. CC0 1.0 (Public Domain), Musopen Chopin collection, archive.org/details/musopen-chopin

Hello
Hello. The spoken word. The real amplitude waveform of a signal generated locally, rendered from the actual audio, not a decorative curve. Generated locally (macOS speech synthesis), original signal

Olá
Olá. A palavra falada. The real amplitude waveform of a signal generated locally, rendered from the actual audio, not a decorative curve. Generated locally (macOS speech synthesis), original signal

Bonjour
Bonjour. Le mot parlé. The real amplitude waveform of a signal generated locally, rendered from the actual audio, not a decorative curve. Generated locally (macOS speech synthesis), original signal

Ciao
Ciao. La parola parlata. The real amplitude waveform of a signal generated locally, rendered from the actual audio, not a decorative curve. Generated locally (macOS speech synthesis), original signal