In the following progression, the bass notes have been left out intentionally, so that you may experiment with your own combinations. Bass notes are to be played on the first and fourth beats, with strums on the second and third beats. There are two main rules governing the choice of bass note to be used: -
Theoretically, there are many possible combinations of bass note picking with this example. However, you must take into consideration the overall sound since some of the combinations will sound better than others.
* Do not confuse bass note picking with bass note runs, which may use notes not found in the chords.