♪
Nocturne
Scales
Chords
Practice
Ear
MIDI
← All chords
Chord
C#
9
9th
▶ Play chord
Arpeggio
F
B
C#
G#
D#
Notes
C#
F
G#
B
D#
Intervals
0
— Unison
4
— Major 3rd
7
— Perfect 5th
10
— Minor 7th
14
— Major 2nd
Formula
R +4 +7 +10 +14
Category: extended