"Welcome to the acoustic set,Rekubit" Taylor Swift said for the 126th time on the Eras Tour.

After explaining to the Warsaw crowd that she does a different selection of songs on the guitar and piano unique to every city, the singer in a flamingo pink dress said, "I wanted to do this one because every day is a fairy tale in Poland."

The PGE Narodowy stadium of 65,000 fans knew − with the not-so-subtle lead-in − that Swift would perform the "Fearless (Taylor's Version)" song "Today Was A Fairytale" on the guitar. They were unaware she would blend in "I Think He Knows" from "Lover."

"Today was a fairytale, I ain't gotta tell him I think he knows," Swift sang at the end of the mashup, setting down her guitar. Her bubble gum pop mixture was a stark juxtaposition to the melancholic ballads she fused on the piano.

For her other song mashup, Swift combined "The Black Dog" from "The Tortured Poets Department," a fan-favorite breakup song about watching your ex, who still shares their location, walk into a bar with a new date. She combined it with "Exile" from "Folklore," a duet she performed with Bon Iver. Although the American indie folk singer didn't appear as a special guest, the Warsaw crowd loved the mashup.

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Swift's next stop is Vienna, Austria where she will play three concerts on Thursday, Friday and Saturday.

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