Chords of: Mary, Did You Know? by: Pentatonix. (Bm, A, F#, Gmaj7) 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.
“Mary, Did You Know?” by Pentatonix is in B Minor and runs at about 104 BPM, giving it a relaxed mid-tempo groove. Our analysis found 34 different chords across 164 chord changes; the ones that carry the song are Bm, A, F#, Gmaj7.
Bm is the chord you will hold longest — roughly 24% of the 4:00 the chords were tracked for. The song opens with C#7/E# → Bm → F#m → Gmaj7 → A → Gmaj7 → F# → Bm. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 7 main chords with 6 extended, altered or slash voicings. Guitar tip: put a capo on fret 2 and use A minor shapes — the song stays in B Minor but every chord becomes an open chord.
| Chord | Time held | Share |
|---|---|---|
| Bm | 0:57 | 24% |
| A | 0:33 | 14% |
| F# | 0:29 | 12% |
| Gmaj7 | 0:26 | 11% |
| F#m | 0:12 | 5% |
| G | 0:12 | 5% |
| C#7/E# | 0:11 | 4% |
| G6 | 0:06 | 3% |
C#7/E# – D – Em – Bm – F#m – Gmaj7 – A – F#m – Bm – A6 – D/F# – Gmaj7 – B/F# – F# – B – Dmaj7 – E – Bm – A – Bm7 – C#dim – G – Em7 – Dmaj7 – Bm – C#m6 – Bm – A – Bm – C# – Em7 – F# – G – Dmaj7 – A – D – A – Bm – Em – Bm – G – B – F# – Bm – Em – Bm – A – Gdim – …
