Big Dismal - Hanging On tab

This is only the main riff, i'm too tone deaf to figure out chords or the chorus and 
This song is pretty simple
[ Tab from: http://www.guitaretab.com/b/big-dismal/202434.html ]
e|-3/4--------------------------3/4-----4-4-----4/3-3--|
B|-----6---4-4-6----4-4-6---4-6-----6-------6--------4-|
G|-------5--------5-------5-----------5-------5--------|
D|-----------------------------------------------------|
A|-----------------------------------------------------|
E|-----------------------------------------------------|