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A wet finger traces the rim of a crystal wine glass slowly. A pure sustained high singing tone rings out from the glass.

C1-1-53 Steady State · source_material principle: Resonance Amplification (Mechanics)
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Per-prompt rubric

Basic standards

Visual presence

  • a finger
  • a crystal wine glass

Event: a finger traces the rim of a wine glass

Audio presence

  • a crystal wine glass

Sound: a singing glass tone

Key standards

Visual physical commonsense (V-PC)

  • A finger traces the rim of a stemmed crystal wine glass with continuous smooth motion.
  • The contact remains on the rim of the glass throughout the clip.

Audio physical commonsense (A-PC)

  • The glass produces a pure sustained high-pitched singing tone.
  • The tone has a stable fundamental pitch with the timbre of a rubbed crystal wine glass.

Cross-modal physical commonsense (AV-PC)

  • The sustained tone is audible while the finger is in contact with and moving along the rim.
  • The audio source originates from the visible glass rim being rubbed.