Learn › C#6 Chord on Piano (C Sharp Major 6th)
New Released in April 2026
C#6 Chord on Piano (C Sharp Major 6th)
The C sharp major 6th chord (C#6) uses the piano keys C#, E#, G# and A#: the major triad C# plus the 6th, A#, one whole step above the fifth. Expect a sound that is warm and settled, a sweet ending chord.
No account, no download. The demo has limited content. Advanced features are in ChordRunner Premium.
- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
C#6 and A#m7
C#6 has exactly the same notes as A#m7. Put C# in the bass and it sounds like a major chord with a sweet 6th; put A# in the bass and it is a minor seventh.
Building C#6 from C#
Every chord is a recipe of scale steps. For C#6 the recipe is 1 3 5 6, counted from C#.
Start chord: C#
| Note | Step | Interval | Keys from C# |
|---|---|---|---|
| C# | 1 | root | 0 |
| E# | 3 | major 3rd | 4 |
| G# | 5 | perfect 5th | 7 |
| A# | 6 | major 6th | 9 |
Ways to place C#6 on the keys
Learn them in pairs: root position first, then the one that keeps the most notes still.
Root position: C# E# G# A#
1st inversion: E# G# A# C#
2nd inversion: G# A# C# E#
3rd inversion: A# C# E# G#
Fingering
| Right hand | C# E# G# A# | 1 2 3 5 |
|---|---|---|
| Left hand | C# E# G# A# | 5 3 2 1 |
A short C#6 routine
- Say the notes out loud while you press them: C#, E#, G# and A#.
- Switch between C# and C#6 ten times without looking at your hand.
- Try C#6 in 1st inversion, the position that sits closest to your last chord.
- Last, meet C#6 mixed with chords you already know, in an order you did not plan.
Keep each session short and frequent and C#6 will become automatic.
Keys and moves for C#6
- C#6 is a home chord: it replaces C# at the end of a song in C# major.
- It is also the IV chord in Ab major (as Db6), a soft colour before going home.
Turn C#6 into a reflex
ChordRunner shows a chord symbol and you play it on a MIDI keyboard, a real piano through the microphone or the on-screen keys. Sixth chords come in the level "Sixth & Add Chords".
Play the demoCommon questions
How do you play C#6 on the piano?
Press C#, E#, G# and A# together. Right hand 1 2 3 5, left hand 5 3 2 1.
What is the difference between C#6 and C#?
C# is C# E# G#. To get C#6, add A# on top, one whole step above the fifth.
Where is C#6 used?
C#6 is a home chord: it replaces C# at the end of a song in C# major. It is also the IV chord in Ab major (as Db6), a soft colour before going home.
Can I practise C#6 with a MIDI keyboard or a real piano?
Yes. In ChordRunner a USB MIDI keyboard is detected automatically, and an acoustic or digital piano works through the microphone. The game checks that C#, E#, G# and A# sound together.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
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