Fifths Progressions Theory Things   William Wieland
The Big Kahoona     V (7)
 		 Right Arrow I     ( V (7)
 		 Right Arrow i )
Jazz     ii 7
 		 Right Arrow V 7
 		 Right Arrow I 7
 		     ( ii ø 7
 		 Right Arrow V 7
 		 Right Arrow i 7
 		 )
Predominant – Dominant – Tonic Progressions
"Bohemian Rhapsody"     vi Right Arrow ii Right Arrow V Right Arrow I     Smooth Voice Leading
"Heart and Soul"     vi Dash IV Dash V Right Arrow I
Vivaldi     I Right Arrow IV Right Arrow vii ° 6
 		 Right Arrow iii Right Arrow vi Right Arrow ii Right Arrow V Right Arrow I
The leading tone triad usually substitutes for or leads to the dominant.
        e.g.   ii Right Arrow V Right Arrow I   becomes   ii Dash vii ° 6
 		 Dash I   or   ii Dash vii ° 6
 		 Dash V Right Arrow I
The subdominant triad usually substitutes for or leads to the supertonic.
        e.g.   IV Dash V Right Arrow I   or   IV Dash ii Right Arrow V Right Arrow I