Entombed

Solving the musical puzzle on level 1:
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The musical puzzle on level 1 has the following pattern.
Number the shore levels in the bar on the right from top
to bottom as 1 to 7. Number the waves from right to left
as 1 to 7. When the bar is highlighted, write down the
corresponding number. Wait for all seven notes, then
click the corresponding numbers on the waves.