The Gm/Bb (G minor over Bb) chord is a G minor chord, with the Bb (the b3) as the bass note.
The chord is also referred to as Gm over Bb, or Gm ‘slash’ Bb, or simply, G minor with a Bb in the bass.
Technically, the G minor chord with the Bb in the bass is a second inversion G minor chord.
Some Gm/Bb Chord Theory and Info
- The Gm/Bb chord contains the notes Bb, G and D.
- It is a G minor chord with a Bb in the bass.
- The root note of Gm/Bb is G, the bass note is Bb.
- The Gm/Bb chord is very similar to the Bb6 chord, and they are often used interchangeably. The only difference between the two chords is that the Bb6 chord can also include the F note, which is the 5th of Bb. Including the F note in Gm/Bb would make it a Gm7/Bb, as the F is the b7 note.