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“Instead of just, like, telling you about it, I think I'll just sort of show you,� she told the crowd as the screen illuminated behind her. “'1989 (Taylor’s Version)' available Oct. 27!� she cheered, pointing out that she was revealing this on the eighth month of the year and the ninth day — a numerical clue.

Then she launched into a surprise performance of the ascendant “1989� track and the piano ballad “New Year's Day� for the first time during her world tour.

Just last month, Swift released her and soon claimed the record for the in history. The “Taylor's Version� projects were sparked by music manager Scooter Braun's purchase and subsequent sale of her early catalog.

Beyond the breaking news, across more than three-and-a-half hours at SoFi Stadium, Swift offered fans a bevy of career-spanning tracks — less a greatest hits collection, and more a live celebration of an artist in her veterancy.

Choreographed easter eggs were frequent. Swift would mimic dance moves from her iconic music videos and crack jokes about her feelings and “women-splaining to men how to apologize to women."

Openers — and “besties,� as Swift described them — HAIM joined her on stage for the “evermore� cut “no body, no crime.�

Across more than 40 tracks reflecting 17 years of recorded music, it was as if the ground shook with the rapturous sound of 70,000 fans scream-singing along to her hits and deep cuts alike. This was Taylor Swift's house — filled with fans in light Taylor Swift cosplay (pink dresses for her 2019 album “Lover,� black leather and snakeskin prints for 2017's “Reputation,� sequins and A-line skirts for 2014's “1989,� and so on).

Before launching into her “1989� era tracks, Swift performed an emotive single from her “folkore� album, “cardigan.� “When you are young, they assume you know nothing,� she sang, contorting the line in the third verse, “I knew everything when I was young.�

For a performance predicated on returning to the past as well as celebrating the present, it felt like a mission statement. Throughout her career and her many sonic experiments, Swift has been a keen observer of human condition and heartbreak. Even in those early songs about fantasies and fairytales, she demonstrates a kind of pragmatic wisdom. It is why a song she wrote when she was 16 can elicit the same sort of response as one written in her 30s.

And in a summer stacked with superstar tours celebrating giant new releases — like the larger-than-life experiences of Beyoncé's and Drake’s 56-date — Taylor Swift's lookback Eras Tour stands proudly among them.

For fans who desire their beloved artist play the hits — she certainly delivered.