Chords of: Birthday (Lyric Video) by: Katy Perry. (Em7, Emaj7, C#m7, B) are the main chords of the song. The chords are displayed instantly in real-time with a YouTube player, four synced views, instrument diagrams, loop practice and a built-in vocal-remover mixer.
“Birthday (Lyric Video)” by Katy Perry is in B Major and runs at about 126 BPM, giving it an upbeat, driving pulse. Our analysis found 19 different chords across 131 chord changes; the ones that carry the song are Em7, Emaj7, C#m7, B.
Emaj7 is the chord you will hold longest — roughly 24% of the 3:33 the chords were tracked for. The song opens with C#m6 → Bmaj7 → B → C#m6 → B → F#7/A# → C#m6 → Emaj7. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 5 main chords with 6 extended, altered or slash voicings. Guitar tip: put a capo on fret 2 and use A major shapes — the song stays in B Major but every chord becomes an open chord.
| Chord | Time held | Share |
|---|---|---|
| Emaj7 | 0:51 | 24% |
| B | 0:48 | 22% |
| C#m7 | 0:47 | 22% |
| E6 | 0:11 | 5% |
| C#m6 | 0:10 | 5% |
| E/F# | 0:08 | 4% |
| Bmaj7 | 0:06 | 3% |
| B6 | 0:06 | 3% |
Bmaj7 – C#m6 – Bmaj7 – E6 – B – C#m6 – B – Bbm – C#m – F#7/A# – C#m7 – Bmaj7 – E6 – Ebm7 – C#m7 – Eb7 – Emaj7 – F#7/A# – C#m7 – B – Emaj7 – F#6 – C#m6 – Emaj7 – F#7/A# – Ebm7 – C#m7 – B – Emaj7 – C#m7 – Emaj7 – C#m7 – B – Emaj7 – B – C#m7 – B – Emaj7 – C#m7 – B – C#m7 – B – C#m7 – B – C#m7 – B – E6 – B – …
