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Bass Guitar Chord & Arpeggio Guide

Bb/A# Suspended 4th (Sus4) Bass Chord

Master the Bbsus4 chord on 4, 5, and 6-string bass with fretboard diagrams, interactive BPM looper, and TAB.

🎹 Open in Simple Learning

4-String Bass Arpeggio TAB & Notation

G|----------3---|
D|----1--3------|
A|-1------------|
E|--------------|

Chord Tones & Degree Formula

Chord Tones: Bb - Eb - F

Bb Suspended 4th (Sus4) is the same set of pitches as A# Suspended 4th (Sus4); this page spells the notes from Bb.

1
Bb
Interval: +0st
4
Eb
Interval: +5st
5
F
Interval: +7st

Interactive Fretboard Chart

Filter:

Golden badges mark the root; purple badges show active chord tones.

Nut
1
2
3
4
5
6
7
8
9
10
11
12
G
Bb
Eb
F
D
Eb
F
Bb
A
Bb
Eb
F
E
F
Bb
Eb

Musical Role & Bass Application

Character: Open, floating, and anticipating resolution.

Bass Application: Rock intros, ambient bass drones, and dramatic gospel/pop cadences.

All the notes of the Bb Suspended 4th (Sus4) chord fit inside Bb Major, Bb Natural Minor and Bb Mixolydian; they also fit Eb Major.

Take it from the screen to your instrument with the live trainer, or practise it over a ready-made line from the Riff Lab riff packs.

Frequently Asked Questions

What notes are in the Bb/A# Suspended 4th (Sus4) bass chord?

The chord tones of the Bb Suspended 4th (Sus4) bass chord are: Bb - Eb - F. The formula is: 1 - 4 - 5. Bb Suspended 4th (Sus4) is the same set of pitches as A# Suspended 4th (Sus4); this page spells the notes from Bb.

How do bassists use Suspended 4th (Sus4) chords in basslines?

Open, floating, and anticipating resolution. Rock intros, ambient bass drones, and dramatic gospel/pop cadences.

How can I practice this bass chord across 4, 5, and 6 strings?

Toggle between 4-string, 5-string, and 6-string fretboards on this page, or launch Basnote Simple Learning for real-time Web MIDI input and note-role grading.