For Taylor Swift fans around the world,Greenledgers Trading Center the best time of day is “surprise song o’clock.”

That’s when, 30-some songs and approximately two-and-a-half hours into her Eras Tour show, Swift shakes off her dancers and band members for two acoustic songs. To the delight of her sold-out stadium crowds and countless social media livestream viewers, she plucks songs from her discography to play on the guitar, then on an upright piano.

If her six Los Angeles shows follow her normal set list, there are 12 more surprise songs in store on the U.S. leg of the Eras Tour before she heads to Mexico City in late August.

Will the SoFi Stadium crowd get to hear the new “Better Than Revenge (Taylor’s Version)” lyrics, “he was a moth to the flame / she was holding the matches” live? Will Ed Sheeran, who’s coincidentally also touring the U.S., be a special guest to duet the “Red (Taylor’s Version)” vault song “Run?”

Will there be more than one surprise in store, perhaps the highly anticipated “1989 (Taylor’s Version)" announcement?

Only time will tell. But if you want to see whether your favorite Taylor Swift song still has a chance of being performed during the surprise set, you’ve come to the right place. Here’s the list of songs that haven’t been performed during The Eras Tour so far.

Note: The songs marked with an asterisk are tracks that Swift has sung but made a mistake during their performance, meaning they are eligible — by her own rules — for a redo.

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‘Taylor Swift’ album

• “The Outside”
• “Stay Beautiful”
• “Mary’s Song (Oh My My My)”
• “A Perfectly Good Heart”

‘Fearless (Taylor’s Version)’ album

• “Tell Me Why”
• “The Way I Loved You”
• “Change”
• “Untouchable”
• “Come in With the Rain”
• “Superstar"
• “We Were Happy”
• “That’s When”
• “Don’t You”
• “Bye Bye Baby”

‘Speak Now (Taylor’s Version)’ album

• “Speak Now”*
• “Better Than Revenge”
• “Innocent”
• “Last Kiss”*
• “Superman”
• “Electric Touch"
• “When Emma Falls In Love”*
• “I Can See You”
• “Foolish One”

‘Red (Taylor’s Version)’ album

• “Girl at Home”
• “Ronan”
• “Babe”
• “Forever Winter”
• “Run"
• “The Very First Night”

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‘1989’ album

• “Out of the Woods”*
• “I Know Places”
• “You Are in Love”
• “New Romantics”

‘reputation’ album

• “End Game"
• “I Did Something Bad”
• “So It Goes…”
• “Gorgeous”*
• “King of My Heart”
• “Dancing With Our Hands Tied”
• “Dress”
• “New Year’s Day”

‘Lover’ album

• “I Forgot That You Existed”
• “Cornelia Street"
• “Death By a Thousand Cuts”*
• “London Boy”
• “Soon You’ll Get Better”
• “Afterglow”
• “ME!"
• “It’s Nice to Have a Friend”

‘folklore’ album

• “exile"
• “epiphany”
• “peace”
• “hoax”

‘evermore’ album

• “gold rush”*
• “happiness”
• “long story short”
• “closure”
• “it’s time to go”
• “right where you left me”*

‘Midnights’ album

• “Question…?”*
• “Labyrinth”
• “Sweet Nothing”
• “Bigger Than the Whole Sky”
• “Paris”
• "High Infidelity"*
• “Glitch”
• “Dear Reader”
• “Hits Different”*
• “You’re Losing Me”

Bonus songs (not included on an album)

Swift has occasionally pulled tracks, such as “I Don’t Want to Live Forever” and “All of the Girls You’ve Loved Before," that aren't on one of her albums. Here are her collaboration, EP and soundtrack songs that could potentially find themselves on an Eras Tour setlist.

• “Eyes Open (Taylor’s Version)”
• "Safe & Sound (Taylor's Version)"
• "If This Was a Movie (Taylor's Version)"
• “Christmas Tree Farm”
• “Crazier”
• “Only the Young”
• “Carolina”
• “Beautiful Ghosts”
• “Sweeter Than Fiction”
• “Beautiful Eyes”
• “I Heart ?”
• “Two Is Better Than One”
• “Christmases When You Were Mine”
• “Christmas Must Be Something More”
• “Renegade” (with Big Red Machine)
• “Gasoline” (with HAIM)
• “The Alcott” (with The National)
• “Highway Don’t Care” (with Tim McGraw and Keith Urban)
• “Both Of Us” (with B.o.B)
• “The Joker and the Queen” (with Ed Sheeran)
• “Best Days of Your Life” (with Kellie Pickler)
• “Half of My Heart” (with John Mayer)

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