Songfacts®:

• This is a track from country singer Carrie Underwood's third studio album, Play On. The mid-tempo number was written by Underwood together with Kara DioGuardi, Martin Frederiksen and Luke Laird.
  
  Lyrically the song enters angry-with-a-fella territory, a theme that the American Idol winner has covered before on such tracks as "Before He Cheats" and "Cowboy Casanova," and which she would take on again in "Two Black Cadillacs" and "Dirty Laundry."
• Underwood explained in publicity materials that this song, "is kind of mean in that you're telling this person you wish you'd never met them. That means I wish I'd never met you. My life was so much better before you and I wish I could take all that back."
• Underwood commented to The Associated Press on this spurned love song: "I like to be sassy. I'm a smart aleck and it's just fun to have a little sass."
• CMT News asked Underwood about the dynamic when four people write together. She replied: "That was my first time writing with four people. It's really important to get the dynamic right. I'd met Kara DioGuardi for the first time writing with her. Marty Fredrickson has a huge list of lots of different types of music going on. And Luke Laird, I've known forever and, I absolutely love him. So getting the four of us in there, I feel like we all had our own thing. Two amazing songs, and other songs that didn't quite make the album, came out of that session. It worked out wonderfully. I would love to write with the three of them again."
• DioGuardi's influence can be heard in the little stutter vocal in the chorus - "I wanna uh-uh-uh-uh-uh-uh-undo it." "I love na-na-nas," Underwood told USA Today. "I'll put 'em in every song, if you don't watch me."
• Underwood told The Boot that the songwriters' idea for the hook came almost accidentally. "The guys had their guitars and they were playing something kind of bluesy, and Kara's got such a great R&B sense about her," she explained. "And I started, 'Na, na, na-ing' to whatever they were playing. And they were like, 'What if that was the hook?' I said, 'Aw, I don't know?' And before you knew it, we had 'Uh, uh, uh undo it.' I mean, who would have thought? How do you write that down on paper? It was something that it didn't take that long to write and it's so much fun to sing on stage, and people get into it. If you listen to it twice, you know all the words! We had a lot of fun with it."
• Carrie Underwood achieved her 10th country #1 when this jumped from 2-1 on the chart dated July 31, 2010.
• The four songwriters wrote both this tune and "Mama's Song" on the same day. DioGuardi recalled to Billboard magazine: "It was the craziest session I've ever had. To write two songs in five hours that both charted was ridiculous."
• Underwood performed this with Steven Tyler at the 2011 American Music Awards and on the February 4, 2012 episode of CMT Crossroads. >>

  Suggestion credit:
  Bella - Portland, OR