http://www.clemsnide.com/ * = alternate between the regular triad and the slash chord / = slash chord note: many small intra-chord flourishes and single-note runs leading into other chords use the notes on the second and fourth frets on the fourth string . In some cases, where a chord is labeled ?D and D/A,? a flourish involving the above mentioned notes is actually called for. It varies on a case by case basis. *D and D/A A G *D and D/A I was searching for something I could not describe (guitaretab.com)