The * is just sliding your finger down a fret for the bass
line note then back to the chord shape

Chord Shapes:

   Bm(intro*)   A A*    G G*   Bm   D   C C*  Em  F#m(barre) F#
e|--2-----------0-0-----0-0----0----2---3-3----0---2----------0--|
B|--0-----------0-0-----0-0----0----3---3-3----0---2----------0--|
G|--4-----------6-6-----4-4----4----2---0-0----0---2----------3--|
D|--4-----------7-7-----5-5----4----0---2-0----2---4----------4--|
A|--0-----------7-7-----5-5----2----0---3-2----2---4----------4--|
E|--0-----------5(4)----3(2)---0----0---0-0----0---2----------2--|

Tab
The Bm** is another chord where you pull off
and on with the pinky. This repeats continuously
through the verses.
e|-x----------------|
B|-x----------------|
G|-------4--0-------|
D|-----4------4-----|
A|---2--------------|
E|-x----------------|