Until now the same rhythm has been used throughout a chord progression. It is possible however to change the rhythm during a progression. The rhythm used for the following example alternates between two different rhythm patterns. The rhythm used for the first bar is 1,2, 3 and 4 and. The rhythm used for the second bar is 1 and 2 and 3, 4. The rhythm used for the third bar is the same as the first bar, the fourth bar is the same as the second bar and so on.