0:01
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Opening a CD player
0:02
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Metal coat zipper being opened and closed.
0:40
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Wooden door handle turned open and close, interior
0:30
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Door being opened while helicopter is in flight, interior perspective
0:20
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A long extreme resounding sustained open bass note in the key of E.
0:01
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Opening a metal jar
0:01
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Opening a CD player
0:22
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A long extreme resounding sustained open bass note in the key of G#.
0:25
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Opening and closing a wood door
0:01
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A fat open vibrating twangy bass note in the key of C.