Play any string - the chromatic guitar tuner will show what note it is, and how accurately it is tuned. So the online tuner will have the opportunity to hear the sounds of your guitar. Your device will ask for permission to record sound from a microphone - allow recording ⏺. The Bb locrian mode can be used when soloing over the Bbm7b5 chord.Press the 'Turn on' button under the tuner.

Bbm7b5 is a Bb diminished chord, with an added flat 7th (Ab) included, or a Bbm7 chord with the 5th lowered by a semitone.

The Bb minor 7 flat 5 chord (just like all half diminished chords) contains the following intervals (from the root note): minor 3rd, minor 3rd, Major 3rd, Major 2nd (back to the root note).

The Bbm7b5 chord is produced by playing the 1st (root), flat 3rd, flat 5th and flat 7th of the Bb Major scale.

The B flat minor 7 flat 5 chord contains the notes Bb, Db, Fb and Ab.

If you’ve come to this page just to view some chord diagrams for Bbm7b5 (B flat half diminished), here they are. The Bbm7b5 chord is most commonly played with the root note on the 6th fret of the 6th string (2nd shape in the picture below). This is an example of how Bbm7b5 can sound beautiful in context.

Try playing a B chord, then a Bbm7b5 chord and then return to B.

However, when played in the context of other chords, it can sound beautiful. The half diminished chord can sound like a very dissonant chord, when played in isolation. It can be viewed as an Bbm7 chord with a flat 5 or a Bb diminished chord with an added b7. The Bbm7b5 chord (B flat minor 7 flat 5, or B flat half diminished) contains the notes Bb, Db, Fb and Ab, which is the 1 (root) b3, b5 and b7 of the Bb Major scale.

B flat 5 guitar chord