F♯ Suspended 2nd Chord

Chord Tones: F♯ Suspended 2nd Chord

Symbol: sus2 — Formula: 1-2-5

Chord Notation

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

Harmonic Function

The F♯ sus2 chord commonly functions as the tritone substitution in C major or tonic in F♯ major. Its harmonic role varies by key — in major keys it provides stable harmonic grounding.

The sus2 chord replaces the third with a major second, creating an open, ambiguous sound with no major or minor quality. It is widely used in rock and pop for its airy, unresolved character. The F♯ Suspended 2nd Chord specifically contains 3 notes: F♯, G♯, C♯ (formula: 1-2-5). On piano, F#-rooted chords place the root on a black key, creating hand positions that many pianists find ergonomically comfortable for fast passages. Progressive rock, jazz fusion, and electronic music use F#-rooted chords to create unexpected harmonic shifts and chromatic modulations.

Common Progressions

The F♯ Suspended 2nd Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

• Vsus2-V-I

Songs Featuring the Suspended 2nd Chord

Well-known songs where the F♯ Suspended 2nd Chord — or this chord type — plays a prominent role:

• Pinball Wizard – The Who
• She Talks to Angels – Black Crowes
• Waiting for the World to Change – John Mayer

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

Scales Containing the F♯ Suspended 2nd Chord

These scales include the F♯ Suspended 2nd Chord as a diatonic or characteristic chord: