this is what i figured out by ear. still need to figure rest out. hope it helps some.
Sound good in:
standard tuning
(Drop D or C)
Intro: Clean Acoustic
e|---------------------------------------------------------------|
B|--------------------------------0-----------0------------------|
G|-------0-----------0----------0---0-------0---0----------------|
D|-----2---2-------2---2------2-------2---2-------2--------------|
A|---2-------2---2-------2--3-----------3------------------------|
E|-0-----------0-------------------------------------------------|
[ Tab from: https://www.guitartabs.cc/tabs/t/thyrfing/home_again_tab.html ]
e|----------------------------------------------------------|
B|---------0-----------0-----------0-----------0------------|
G|-------0---0-------0---0-------0---0-------0---0----------|
D|-----4-------4---4-------4---2-------2---2-------2--------|
A|-3/5-----------5-----------3-----------3------------------|
E|----------------------------------------------------------|
Riff 1:
e|-------------------------------------------------------------|
B|-------------------------------------------------------------|
G|-------------------------------------------------------------|
D|------------------------5-7p5-7-7/9~----/12-10~9~-5/7~------ |
A|-10~-9--7/5-7-7/10~------------------------------------------|
E|-------------------------------------------------------------|
e|------------------------------------------------|
B|------------------------------------------------|
G|------------------------------------------------|
D|-5/7-7-7-7-7--/14-12-14~------------------------|
A|------------------------------------------------|
E|------------------------------------------------|
Repeat Riff 1 As Neccessary