C♯sus2
C♯ Suspended 2nd
1 2 5

Notes in C♯sus2

C♯R
E♭2
A♭5

The C♯sus2 chord contains 3 notes: C♯, E♭, A♭

Intervals

IntervalSemitonesNoteFunction
R0C♯Root
22E♭Major 2nd
57A♭Perfect 5th

About C♯ Suspended 2nd Chords

Suspended 2nd chords replace the 3rd with the 2nd, creating an open, ambiguous sound. Without a 3rd, the chord is neither major nor minor. They're popular in ambient, post-rock, and worship music for their spacious quality.

Compatible Scales & Modes

These scales contain all the notes of C♯sus2 and can be used for soloing, improvising, and writing melodies over this chord.

C♯ Ionian / Mixolydian
Both work — sus2 chords are ambiguous, fitting major and dominant contexts.
C♯ Major Pentatonic
Clean and open — matches the spacious sound of sus2 chords.

📚 Guitar Resources

Chord Theory Books →Fretboard Posters →

Amazon affiliate links