Altered Chords

o-  Raised  5th of a major chord.

……………….  major :   I5+ ,   IV5+ ,   V5+ .      minor :   VI5+ .

……………….  V 5+/7 :

…………………………..  V 5+/7 – I

…………………………..  V 5+/7  compared with  V 7/13o

…………………………..  progressions with  V 5+/7

 

o-  Lowered  5th of a major chord.

……………….  major :   I5- ,   V5- .      minor :   V5- .

……………….  V 5-/7 :

…………………………..  V 5-/7 – I

…………………………..  progressions with  V 5-/7

 

o-  Augmented sixth chords  ( Italian sixth,    German sixth,    French sixth ) :

………… aug 6th – V

………… compared with  (D)v

………… progressions with augmented 6th  chords

 

o-  Neapolitan chord.

 

o-  Diminished 7th chords on the raised 2nd (+II) and 6th (+VI) degree of the major scale