This is not exactly how the Indigo Girls play this song. However it still sounds great.
I'm 100% positive this is right.
CAN PLAY WITH NO CAPO OR WITH A CAPO ON THE 3RD FRET
[ Tab from: http://www.guitaretab.com/i/indigo-girls/360865.html ]
|-------3-2-0------------------------------------------------|
|-0-1-3------3-[PAUSE THEN JUMP RIGHT IN]-0-1-3-3-1-0-1-0----|
|--------------------------------------------------------0-2-| [LET LAST NOTE RING
|------------------------------------------------------------| BEFOR JUMPING INTO
|------------------------------------------------------------| THE SECOND PART]
|------------------------------------------------------------|
|-------3-2-0--------------------------------|
|-0-1-3------3-[PAUSE]-0-1-3-3-1-0-1-3-5-7---| [PLAY THE LAST FOUR NOTE SLOWER
|--------------------------------------------| THAN THE REST OF INTRO; GIVE THE
|--------------------------------------------| ENDING OF THE INTRO A CLIMEMAX]
|--------------------------------------------|
|--------------------------------------------|
NOW GO FIND A CORD PROGRESSION FOR THE REST OF THE SONG :> HOPE THIS HELPED!!!