Seneca tab by Tortoise

Tabs

Song: SENECA
Band: TORTOISE
Album: STANDARDS

MAIN RIFF
Guitar I
e|------------------------------------------------|
BB|------------------------------------------------|
G+G|----------5-------------------------------------|
D MajorD|------7-----7---7------------repeat-------------|
A augmentedA|----5---8-----5---8--53------------------------|
E MajorE|------------------------------------------------|

Guitar II
e|------------------------------------------------|
BB|------------------------------------------------|
G+G|------------------------------------------------|
D MajorD|-----------------------------repeat-------------|
A augmentedA|----5-5-----5-5-----33333-----------------------|
E MajorE|--------5-5-----5-5-----------------------------|


KEY CHANGE
Guitar I
e|------------------------------------------------|
BB|------------------------------------------------|
G+G|------------8-----------------------------------|
D MajorD|------10------10---10----------repeat-----------|
A augmentedA|----8----11------8----11--86-------------------|
E MajorE|------------------------------------------------|

couldn't figure out the harmony to this part. anybody got any ideas?