Another Code: Recollection - How to Get the Second and Third ANOTHER Keys

After solving the Piano puzzle and finding the first ANOTHER Key in Another Code: Recollection, players must get two more ANOTHER Keys.
After solving the Piano puzzle and finding the first ANOTHER Key in Another Code: Recollection, players must get two more ANOTHER Keys.

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Another Code: Recollection - How to Get the Second and Third Another Keys

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