Also F#sus2
D♭sus4 (D♭ suspended 4th): D♭ G♭ A♭. Formula 1 4 5. Also F#sus2. The 3rd replaced by the 4th: a tension that classically resolves down to the 3rd.
Made of3
Contains & part of50
Inversions3
- D♭sus4
Root position · D♭ G♭ A♭
- D♭sus4/G♭
1st inversion · G♭ A♭ D♭
- D♭sus4/A♭
2nd inversion · A♭ D♭ G♭