Sound, Radio & InformationMusic Acoustics

Why Some Notes Sound Good Together

Pleasant chords hide simple ratios

Two piano keys picked at random can make you wince. The right two melt into one sound. What decides which pair is which?

You'll find out

  • Why two close notes seem to fight
  • What hides inside a single note
  • How a piano bends the rules

Why it matters

Every chord, every tuned guitar and every choir leans on a little arithmetic that the ear does without being asked.

About 3 min6 interactive slides · 5 questionsLesson 116 · Zone 13

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