B♭ suspended 2nd chord on ukulele (B♭sus2)

Also called or written B♭sus2 or B♭

B♭ suspended 2nd is built from B♭, C, and F. The open position keeps all four strings ringing, making it one of the easiest sus2 chords on the ukulele.

B♭CFB♭GCEA
Positions on the neck1 of 5
Practice B♭ suspended 2nd chord

How it is built

B♭RootCMajor secondFPerfect fifth

Formula 1, 2, 5

Inversions

How do you play a B♭ suspended 2nd chord on ukulele?

B♭ suspended 2nd is played in open position as 3 0 1 1: ring finger on the G string at fret 3, index finger on the E string at fret 1 and middle finger on the A string at fret 1. The C string rings open.

Full note and interval breakdown
StringFretFingerNote
4 (G)33B♭ (1)
3 (C)openC (2)
2 (E)11F (5)
1 (A)12B♭ (1)

BeginnerThe ring finger on fret 3 must clear string 3, which stays open, without muting it.

B♭sus2/C inversion · 3-0-1-3

B♭ suspended 2nd is played in open position as 3 0 1 3: middle finger on the G string at fret 3, index finger on the E string at fret 1 and ring finger on the A string at fret 3. The C string rings open.

Full note and interval breakdown
StringFretFingerNote
4 (G)32B♭ (1)
3 (C)openC (2)
2 (E)11F (5)
1 (A)33C (2)

8th fret

B♭ suspended 2nd is played at the 8th fret as × 10 8 8: ring finger on the C string at fret 10, index finger on the E string at fret 8 and middle finger on the A string at fret 8. The G string stays muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)muted
3 (C)103B♭ (1)
2 (E)81C (2)
1 (A)82F (5)

B♭sus2/C inversion · ×-0-1-1

B♭ suspended 2nd is played in open position as × 0 1 1: index finger on the E string at fret 1 and middle finger on the A string at fret 1. The C string rings open. The G string stays muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)muted
3 (C)openC (2)
2 (E)11F (5)
1 (A)12B♭ (1)

B♭sus2/F inversion

B♭ suspended 2nd is played at the 5th fret as 5 5 6 ×: index finger on the G string at fret 5, middle finger on the C string at fret 5 and ring finger on the E string at fret 6. The A string stays muted.

Full note and interval breakdown
StringFretFingerNote
4 (G)51C (2)
3 (C)52F (5)
2 (E)63B♭ (1)
1 (A)muted

Why it sounds like that

B♭ suspended 2nd uses the formula 1, 2, 5: root B♭, major second C, and perfect fifth F. The major second replaces the third, so the chord has neither major nor minor quality. Compare it to B♭ major, which contains D instead of C.

What goes wrong with B♭ suspended 2nd?

  • Letting the ring finger lean on string 3 and kill the open C.
  • Pressing the index and middle fingers too far from the fret, causing a buzz.
  • Strumming with too much force and drowning the open strings.

When to use it

B♭ suspended 2nd works as a substitute for B♭ major in the I–IV–V–I progression B♭–E♭–F–B♭ in B♭ major. It suits folk, pop, and ballads where a suspended, airy quality is needed. Use it before E♭ major to create a gentle lift.

Changing to and from B♭ suspended 2nd

  • Move to B♭ major by lifting the middle finger and fretting string 1 at fret 3 with the ring finger.
  • From B♭ suspended 2nd, shift to F major by moving the ring finger to string 3 fret 2 and the index finger to string 2 fret 1.

Which voicing to use

The open position puts B♭ in the bass and is the most straightforward voicing. The B♭sus2/C inversion at ×-0-1-1 places C in the bass for a stepwise, darker feel, while the 8th-fret shape keeps B♭ in the bass but in a higher register for a brighter sound.

Other B♭ chords

Common questions

How is B♭ suspended 2nd written?

B♭ suspended 2nd is written as B♭ or B♭sus2. The ASCII root spelling is Bb. It is also spelled A♯ in enharmonic notation for the same sounding root.

Why does the open position use all four strings?

All four open strings are chord tones: B♭, C, F, and B♭. The voicing is complete without any mutes.

What is the difference between B♭ suspended 2nd and B♭ add 9?

B♭ suspended 2nd has no third, while B♭ add 9 includes the major third D along with the ninth C. The sus2 chord sounds open and unresolved; the add 9 chord sounds fuller and more consonant.