About “I Knew You Were Trouble”

What key is "I Knew You Were Trouble" in?

"I Knew You Were Trouble" by Taylor Swift is in the key of C with a tempo of 132 BPM. Difficulty: easy.

Is "I Knew You Were Trouble" easy to play on piano?

Yes — this arrangement is rated easy, meaning it uses simple chord patterns and a manageable tempo. Most beginners can play through it in 1-3 practice sessions using our color-coded notes.

Can I play "I Knew You Were Trouble" without reading sheet music?

Yes. Our player offers a falling-notes mode (Synthesia-style) and a beginner mode with color-coded keys — both let you play along without reading traditional notation.

How long does it take to learn "I Knew You Were Trouble" on piano?

1–3 short practice sessions for the basics; 2–3 weeks to perform confidently with both hands.

What other songs by Taylor Swift can I play here?

Try "GETAWAY CAR", "THE LAST TIME", "ENCHANTED". All are available in our player with color-coded notes; pick the one matching your level.