Chords of: "Happy Birthday Sweet Sixteen" by: Neil Sedaka. (Bm, C#, D, Bmaj7) 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.
“"Happy Birthday Sweet Sixteen"” by Neil Sedaka is in D Major and runs at about 80 BPM, giving it a relaxed mid-tempo groove. Our analysis found 38 different chords across 85 chord changes; the ones that carry the song are Bm, C#, D, Bmaj7.
C# is the chord you will hold longest — roughly 14% of the 2:43 the chords were tracked for. The song opens with Dmaj7 → Bmaj7 → C# → F#6 → C# → F#6 → C# → F7. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 7 main chords with 9 extended, altered or slash voicings. Guitarists can play it as written — D Major sits in open-chord territory, no capo needed.
| Chord | Time held | Share |
|---|---|---|
| C# | 0:22 | 14% |
| Bbm | 0:13 | 8% |
| Bmaj7 | 0:12 | 7% |
| D | 0:12 | 7% |
| F7 | 0:09 | 5% |
| C#7 | 0:09 | 5% |
| Ab7 | 0:09 | 5% |
| Ab | 0:06 | 4% |
Dmaj7 – Bmaj7 – Ab – Bb7 – C – C# – Bbm – F#6 – Ab – C# – Bbm – F#6 – Abmaj7 – C# – F7 – Bbm – C#7 – F# – Gdim – C# – Bb – Eb7/G – Ab – C# – F7 – Bbm – C#7 – F# – Gdim – C# – Bb7 – Eb – Ab – F#6 – C# – C7 – Bb – Ab7 – C# – Ab7 – C#6 – Bb7 – Ebm – Gm7b5 – Ab – Bbm – Eb6 – Bbm7b5 – …