I Knew You Were Trouble — Quick Answer & Harmonic Definition

I Knew You Were Trouble uses the chords Gm, Eb, Bb, F in the key of Gm. The progression follows a i–VI–III–VII pattern. This is a beginner-level song.

Pop · 2012 · Beginner

I Knew You Were Trouble

by Taylor Swift
Key of Gm 120 BPM Beginner

Chord Sheet

Key of Gm · Progression: i–VI–III–VII

Chord Loop
Gm — Eb — Bb — F — ...
Roman Numeral Analysis
View the harmonic structure and functional analysis of this progression.
View Analysis →
Key
Gm
Tempo
120 BPM
Chords
4
Genre
Pop

Practice Tips for I Knew You Were Trouble

  • Start at 60 BPM (50% tempo) until chord changes feel smooth.
  • Loop just the Gm→Eb transition repeatedly — this is often the hardest change.
  • Use our Metronome set to 120 BPM for precise timing practice.
  • Click any chord above to see its full piano keyboard and guitar fingering diagram.

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.

Knowledge Base & FAQs

I Knew You Were Trouble by Taylor Swift — FAQ

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

What chords are in I Knew You Were Trouble by Taylor Swift?

I Knew You Were Trouble uses the chords Gm, Eb, Bb, F in the key of Gm.

The progression follows a i–VI–III–VII pattern. This is a beginner-level song.

What key is I Knew You Were Trouble in?

I Knew You Were Trouble by Taylor Swift is in the key of Gm.

The primary chords are Gm, Eb, Bb.

What is the tempo of I Knew You Were Trouble?

I Knew You Were Trouble is played at approximately 120 BPM.

This is a faster tempo — practice slowly first before bringing it to full speed. Use our free metronome to practice at exactly 120 BPM.

What strumming pattern does I Knew You Were Trouble use?

I Knew You Were Trouble is typically in 4/4 time.

A common strumming pattern is down-down-up-up-down-up (DDUUDU) or simplified all-down for beginners. Focus on getting chord changes smooth before adding strumming complexity.

How do I play Gm chord on guitar?

Gm is the main chord in I Knew You Were Trouble.

See our chord library for the Gm chord diagram with exact fingering.

Can I play I Knew You Were Trouble on piano?

Yes! I Knew You Were Trouble sounds great on piano.

Play the chords Gm, Eb, Bb, F in root position or inversions. Left hand plays bass notes (root of each chord), right hand plays chord voicings. This is a beginner-level arrangement.

Is I Knew You Were Trouble beginner-friendly?

Yes! I Knew You Were Trouble is rated Beginner difficulty.

It uses 4 main chords (Gm, Eb, Bb), all easy open or basic chords. One of the best songs for new players to learn.

What is the chord progression in I Knew You Were Trouble?

The main progression in I Knew You Were Trouble is Gm – Eb – Bb – F (Roman numeral: i–VI–III–VII).

This 4-chord pattern repeats throughout most of the song.

Can I transpose I Knew You Were Trouble to a different key?

Yes! I Knew You Were Trouble is in Gm.

To make it easier, try transposing to G or D using a capo. A capo changes your effective key while keeping the same chord shapes. Use our Transpose Tool to convert all chord names automatically.

What genre is I Knew You Were Trouble?

I Knew You Were Trouble by Taylor Swift is a Pop song from 2012.

Its 4-chord progression (Gm, Eb, Bb, F) translates naturally to different tempos and styles, making it a popular cover choice for musicians of all levels.