"Blind octave" can refer to a few different concepts depending on the context. Here are a couple of possibilities: 1. **In Music Theory**: The term might be used to describe a playing technique where a musician plays an octave without being able to see the keys or the fretboard, often relying on muscle memory or ear training. This could be relevant for blind or visually impaired musicians who are trained to navigate their instrument through touch and sound.
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