How to Play I Knew You Were Trouble by Taylor Swift
I Knew You Were Trouble (2012) is a beginner-level pop song that uses 4 chords: Gm, Eb, Bb, F in the key of Gm. The chord progression is i–VI–III–VII.
Chord Breakdown
- Gm — minor chord, darker emotional sound
- Eb — major chord, bright and stable
- Bb — major chord, bright and stable
- F — major chord, bright and stable
About I Knew You Were Trouble
"I Knew You Were Trouble" by Taylor Swift (released 2012) is one of the most recognizable pop songs ever recorded. Its 4-chord structure demonstrates how a simple progression can create an emotionally powerful and memorable piece of music. The combination of Gm, Eb, Bb creates a harmonic loop that feels both complete and constantly forward-moving.
Learning I Knew You Were Trouble as a Beginner
If you're learning to play I Knew You Were Trouble, start by getting comfortable with each chord individually before trying to switch between them. The goal is to make each chord change automatic — your fingers should know where to go without you having to think about it. Practice the chord loop slowly with a metronome, and you'll be playing the full song within a few weeks.