Contra Baixo: Tétrades 2 : Acorde Maior com Sétima Maior, Maior com Sétima Menor, Menor com Sétima Menor ( G7, C7, G7+, C7+, Gm7, Cm7 )

By Jeffão Peres


Tétrades


  Maior com 7° Menor
   G7
G-----------------------------4---7---7---4-----------------------------------
D--------------------3---5---------------------5---3--------------------------
A-----------2---5---------------------------------------5---2-----------------
E--1---3---------------------------------------------------------3-------------
   C7
G-------------------------------9---12---12---9-----------------------------
D---------------------8---10------------------------10---8------------------
A-----------7---10---------------------------------------------10---7-------
E--6---8-------------------------------------------------------------------8--
  Maior com 7° Maior
   G7+
G----------------------------4---7----7---4-----------------------------------
D-------------------4---5----------------------5---4--------------------------
A-----------2---5---------------------------------------5---2-----------------
E--2---3---------------------------------------------------------3-------------
  C7+
G------------------------------9---12----12---9------------------------------
D--------------------9---10-------------------------10---9-------------------
A----------7---10----------------------------------------------10---7--------
E--7---8-------------------------------------------------------------------8---
  Menor com 7° Menor
  Gm7
G----------------------------3---7----7---3-----------------------------------
D-------------------3---5---------------------5---3---------------------------
A-----------1---5--------------------------------------5---1-------------------
E--1---3--------------------------------------------------------3--------------
   Cm7
G-------------------------------8---12----12---8-----------------------------
D---------------------8---10-------------------------10---8------------------
A-----------6---10----------------------------------------------10---6-------
E--6---8-------------------------------------------------------------------8---


Graus de cada Tetrade
Tônica
Terça Maior
Terça Menor
Quinta
Sétima Maior 
Sétima Menor