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Morse code with a weak signal. Letter "B"
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Piano chord B diminished 7th.
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Piano chord B.
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Piano chord B minor 7th.
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0:07
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Piano chord B major.
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Piano chord B major 13.
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Piano chord B minor add 9th.
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Piano chord B minor 7, 9.
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Piano chord B diminished
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0:05
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Piano chord, B major 11th
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