As bass players we naturally have to know our chords, and ideally a fair bit about harmony and chord progressions in general, ...

When you think of unique chords, the heavy hitting industrial rock stylings of Nine Inch Nails probably doesn’t come to mind.

All the chords built on other notes in the scale of C are minor, except chord VII - the notes B – D – F, which is diminished. When a seventh is added to a chord this is known as a seventh chord.

Harmonic minor keys are used when writing chords. There is another version of the minor key known as the melodic minor. This is used when writing a melody. Each key signature has two possible keys.