C#maj7sus4 Suspended
The C#maj7sus4 chord is built from the notes C# – F# – G# – B#.
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Chord tones, one by one
C#Root
Root
The fundamental note the chord is built on — C#.
F#Third
Suspended 4th
A perfect 4th replaces the third — tense, wants to resolve (sus4).
G#Fifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
B#Seventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
🎼 Related scales
🎹 Modal analysis
This chord implies the Ionian (major) scale; its characteristic note is the perfect 4th, what sets it apart from Lydian.
🎸 Genres
Pop · Classical · Gospel