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            "slug": "the-harmonic-series",
            "title": "The Harmonic Series: Why Octaves, Fifths and Thirds Come First",
            "dek": "A vibrating string or air column sounds a fundamental and a set of partials at whole-number multiples of it. Here are the first sixteen, their cents, and where they differ from equal temperament.",
            "topic": "acoustics",
            "topic_name": "Acoustics & Sound",
            "tags": [
                "harmonic series",
                "partials",
                "acoustics"
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            "level": "intro",
            "date": "2026-10-11",
            "updated": "2026-10-11",
            "words": 1421,
            "reading_time_minutes": 7,
            "url": "https://musics.name/articles/the-harmonic-series/",
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            "excerpt": "A string or air column that sounds a note produces a fundamental, and it also vibrates in parts. Those parts sound partials at whole-number multiples of the fundamental frequency: f, 2f, 3f, 4f and so on. The collection is the harmonic series. Its first…"
        },
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            "slug": "timbre-and-overtones",
            "title": "Timbre and Overtones: Why the Same Note Sounds Different",
            "dek": "Timbre is the shape of a note's spectrum: which partials are present, how strong they are and how the sound begins. Here is why a clarinet, a flute and a piano differ on the same pitch.",
            "topic": "acoustics",
            "topic_name": "Acoustics & Sound",
            "tags": [
                "timbre",
                "overtones",
                "spectrum"
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            "level": "intro",
            "date": "2026-10-11",
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            "words": 1367,
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            "url": "https://musics.name/articles/timbre-and-overtones/",
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            "excerpt": "Timbre is the quality that lets you tell a clarinet from a trumpet playing the same pitch at the same loudness. It depends on the spectrum: which partials are present, how strong each one is, and how those strengths change through the note’s attack, its…"
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