*This is how I play it, not sure if its the legit way but it sounds good to me*
Sublime - Ain't No Prophet
Tuning is eBGDAE
[ Tab from: http://www.guitaretab.com/s/sublime/371073.html ]
Open Chords (intro)
G F C G
|-3--1--0--3-|
|-3--1--1--3-|
|-0--2--0--0-| >x2 *I like to strum the chord and then pick individual
|-0--3--2--0-| strings out in between each chord
|-2--0--3--2-|
|-3--0--0--3-|
Barre Chords (verse, chorus)
G F C G
|-3--1--3--3-|
|-3--1--5--3-|
|-4--2--5--4-|
|-5--3--5--5-|
|-5--3--3--5-|
|-3--1--X--3-|