C#7#9 Piano Chord

C#7#9

C# 7 Sharp Nine

Root
C#
3rd
E#
Min 7th
B
♯9th
E
E
G
B
D
F
F
A
C
E
C#
E#
B
E

The Notes in a C# 7 Sharp Nine Chord

The 3rd

Finding E# from C# step by step:

  • Start on: C#
  • Step 1: move up to D
  • Step 2: move up to D#
  • Step 3: move up to E
  • Step 4: Land on E#
3rd
E#
Root
C#
1
2
3
  • D is a minor second above C#.
  • D# is a major 2nd above C#.
  • E is a minor third above C#.
  • E# is a major third above C#.

The Min 7th

Finding B from C# step by step:

  • Start on: C#
  • Step 1: move down to B#
  • Step 2: Land on B
Min 7th
B
Root
C#
1
  • B# is a minor second below C#.
  • B is a major 2nd below C#. The min 7th is down a major 2nd? Confusing, right? The note B is down 2 half-steps from C#, but up 10 half-steps from C#:
Min 7th
B
Root
C#
1
2
3
4
5
6
7
8
9

The # 9th

Finding E from C# step by step:

  • Start on: C#
  • Step 1: move up to D
  • Step 2: move up to D#
  • Step 3: Land on E
♯9th
E
Root
C#
1
2
  • D is a minor second above C#.
  • D# is a major 2nd above C#.
  • E is a minor third above C#.