So if we suspect the song’s key is F major, then the parent scale will be the F major scale. To get the diatonic chords for the key, we need to harmonise the parent scale. This is done by going ...

and adding an F (G - B - D - F). A cadence is formed by two chords at the end of a passage of music. Sometimes the final cadence of a piece in a minor key ends with a major chord instead of the ...