C#sus4/A# Guitar Chord

The C# suspended fourth over A# is a suspended chord. Explore fingerings, progressions, and theory analysis below.

Finger Positions

Suspended
C#sus4/A# diagram
Root Note C#
Name C# suspended fourth over A#
Intervals 1P-4P-5P
Relative Minor A#m
Notes A#, C#, F#, G#
Aliases C#sus4, C#sus

Common Progressions Popular patterns using C#

I-V-vi-IV

C# → G# → A#m → F#

vi-IV-I-V

A#m → F# → C# → G#

Diatonic Family (Triads)

C# D#m Fm F# G# A#m Cdim

Diatonic Family (7ths)

C#maj7 D#m7 Fm7 F#maj7 G#7 A#m7 Cm7b5

Scale Compatibility

View All Scales
Major Minor Minor Blues Melodic Minor Harmonic Minor Bebop Dorian Mixolydian Phrygian Ionian Pentatonic Mixolydian Pentatonic Ritusen Egyptian Vietnamese 1 Kumoijoshi

* 15 scales found containing the notes A#, C#, F#, G#.

Audio & MIDI Analysis

MIDI Numbers 70, 61, 66, 68
Frequencies (Hz)

466.1637615180899, 277.1826309768721, 369.9944227116344, 415.3046975799451