Therefore I Am — Quick Answer & Harmonic Definition

Therefore I Am uses the chords Dm, Bb, C, F in the key of Dm. The progression follows a i–VI–VII–III pattern. This is a beginner-level song.

Pop · 2020 · Beginner

Therefore I Am

by Billie Eilish
Key of Dm 120 BPM Beginner

Chord Sheet

Key of Dm · Progression: i–VI–VII–III

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

Practice Tips for Therefore I Am

  • Start at 60 BPM (50% tempo) until chord changes feel smooth.
  • Loop just the Dm→Bb 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 Therefore I Am by Billie Eilish

Therefore I Am (2020) is a beginner-level pop song that uses 4 chords: Dm, Bb, C, F in the key of Dm. The chord progression is i–VI–VII–III.

Chord Breakdown

  • Dm — minor chord, darker emotional sound
  • Bb — major chord, bright and stable
  • C — major chord, bright and stable
  • F — major chord, bright and stable

About Therefore I Am

"Therefore I Am" by Billie Eilish (released 2020) 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 Dm, Bb, C creates a harmonic loop that feels both complete and constantly forward-moving.

Learning Therefore I Am as a Beginner

If you're learning to play Therefore I Am, 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

Therefore I Am by Billie Eilish — FAQ

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

What chords are in Therefore I Am by Billie Eilish?

Therefore I Am uses the chords Dm, Bb, C, F in the key of Dm.

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

What key is Therefore I Am in?

Therefore I Am by Billie Eilish is in the key of Dm.

The primary chords are Dm, Bb, C.

What is the tempo of Therefore I Am?

Therefore I Am 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 Therefore I Am use?

Therefore I Am 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 Dm chord on guitar?

Dm is the main chord in Therefore I Am.

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

Can I play Therefore I Am on piano?

Yes! Therefore I Am sounds great on piano.

Play the chords Dm, Bb, C, 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 Therefore I Am beginner-friendly?

Yes! Therefore I Am is rated Beginner difficulty.

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

What is the chord progression in Therefore I Am?

The main progression in Therefore I Am is Dm – Bb – C – F (Roman numeral: i–VI–VII–III).

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

Can I transpose Therefore I Am to a different key?

Yes! Therefore I Am is in Dm.

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 Therefore I Am?

Therefore I Am by Billie Eilish is a Pop song from 2020.

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