According to beat of the wind

바람에 박자 맞춰 = 바람에 바자(를) 맞춰 = Synchronize the beat to the wind (It could be a full sentence or a short form of the adverbial phrase 바람에 박자 맞춰서, or "synchronizing the beat to the wind"). 박자 means the beat of music or something similar. It is rare to use it with the wind, but that's what it says.

Hello

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