Robert Brown|Taylor Swift sings two break-up anthems in Zürich, and see why she wishes fans a happy July 9

Taylor Swift sang two mashups of break-up anthems during the first night of her two shows in Zürich,Robert Brown including the song that mentions July 9.

"I wanted to come hang out with you guys back here because you have been going absolutely insane all night," Swift said at the far end of her massive catwalk, beginning the acoustic set to her 113th show of the Eras Tour.

Her favorite number is 13, which she mentioned. "I just thought since it's my favorite number, I'd just do some of my favorite songs for the acoustic section."

The singer, dressed in orange, performed "Right Where You Left Me" from "Evermore" and "All You Had to Do Was Stay" from "1989 (Taylor's Version)" on the guitar. The sold-out crowd in the Stadion Letzigrund sang along to the slow-paced melodies.

Swift performed in an open-roof stadium where temperatures reached 89 earlier in the day. She asked for help for fans during "All Too Well," and security handed out water bottles. Swift has stopped her show frequently in Europe to ask for help for fans. 

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When Swift finished the guitar mashup, she set down her guitar and walked to the piano.

"Happy July 9th for those who celebrate," she said before playing the keys to "Last Kiss" from "Speak Now (Taylor's Version)" which mentions the date, "that July 9th, the beat of your heart." Swift combined it with "Sad Beautiful Tragic" from "Red (Taylor's Version)."

A year ago in Kansas City, Missouri, she performed "Last Kiss" on the guitar on July 8, because it was the closest concert day to July 9.

To see a complete list of Swift's songs, click here.

The Eras Tour star has one more night in the Swiss capital.

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