1 e + a 2 e + a 3 e + a 4 e + a e-----------------4----4----4-----| B-4-6-4-4-6-4-----4----4----4-----| G---------------------------------| D---------------------------------| A---------------------------------| E---------------------------------| 1 e + a 2 e + a 3 e + a 4 e + a e-----------------4----4----4-----| B-4-6-4-4-6-4-----4----4----4-----| G---------------------------------| D---------------------------------| A---------------------------------| E---------------------------------| 1 e + a 2 e + a 3 e + a 4 e + a e-4-6-4-4-6-4-----4----4----4-----| B-----------------4----4----4-----| G---------------------------------| D---------------------------------| A---------------------------------| E---------------------------------| 1 e + a 2 e + a 3 e + a 4 e + a e-4-6-4-4-6-4-----4----4----4-----| B-----------------4----4----4-----| G---------------------------------| D---------------------------------| A---------------------------------| E---------------------------------| As always, repeat ad infinitum