Band   - Mastodon
Album  - Leviathan
Song   - Iron Tusk
Tuning - A-G-C-F-A-D

My attempt at it.

  Intro
|------------------------------------------------------|
|------------------------------------------------------|
|------------------------------------------------------|
|------------------------------------------------------|
|------------------------------------------------------|
|--0--0-12-12-12--0--0-12-12-0-13-13-10~-10-8--8-7ph~--|

|---------------------------------------------------------|
|---------------------------------------------------------|
|---------------------------------------------------------|
|---------------------------------------------------------|
|---------------------------------------------------------|
|--0--0-16-16-16--0--0-16-16-0-17-17-14~-14-12--12-11ph~--|

  Verse
|--------------------------------------------------|
|--------------------------------------------------|
|--------------------------------------------------|
|-------------------------------------7-7-7-6/7\6--|
|--2-2-2-2-2-2-2-2-2-2-2p0-2-2-2-2-2--5-5-5-4/5\4--|
|--0-0-0-0-0-0-0-0-0-0-------0-0-0-0---------------|
pm -------------------       -------

|----------------------------|------------------------|-------------------------|
|----------------------------|------------------------|-------------------------|
|----------------------------|------------------------|-------------------------|
|----------------------------|-------------5-5-5-4ph--|--------------5--4--5-4--|
|--2-2-2-2-2-2-2-2-2-2-2p0-2-|-2-2-2-5-5-5------------|-2-2-2-5-5-5-------------|
|--0-0-0-0-0-0-0-0-0-0-------|------------------------|-------------------------|
pm -------------------

 Chorus-ish
|-------------------------------------------------|
|-------------------------------------------------|
|-------------------------------------------------|
|-------------------------------------------------|
|--------------------------------/8-8-------/8-8--|
|--0-1-0-1-3-1-0-1-0-1-3-1-0-1-0-/6-6-0-0-0-/6-6--|
pm -----------------------------      -----

|-----------------------------------------------------|
|-----------------------------------------------------|
|-----------------------------------------------------|
|-----------------------------------------------------|
|--------------------------------/10-10-------/10-10--|
|--0-1-0-1-3-1-0-1-0-1-3-1-0-1-0-/8--8--0-0-0-/8--8---|
pm -----------------------------        -----

 Interlude
|---------------------------|-----------------|
|---------------------------|-----------------|
|---------------------------|-----------------|
|--11-----------------------|-----------------|
|--0--9---12--9-9--9h11p9-7-|-9--6-6-6h7p6-4--|
|---------------------------|-----------------|

|------------------------|-----------------|
|------------------------|-----------------|
|------------------------|-----------------|
|--2--/9-----------------|-----------------|
|--0--/7--8--5-5-5h7p5-3-|-5--2-2-2h3p2-1--|
|------------------------|-----------------|

 Verse 2
|----------------------------------------------------|
|--12-12-12------12-12-12-----------6-6-6-----6-6-6--|
|--10-10-10------10-10-10-----------4-4-4-----4-4-4--|
|----------------------------------------------------|
|----------------------------------------------------|
|------------0-0----------0-0-0-0-0-------0-0--------|
pm           ---          ---------       ---

|----------------------------------------------------------|
|--12-12-12------12-12-12-----------20-20-20-----20-20-20--|
|--10-10-10------10-10-10-----------18-18-18-----18-18-18--|
|----------------------------------------------------------|
|----------------------------------------------------------|
|------------0-0----------0-0-0-0-0----------0-0-----------|
pm           ---          ---------          ---


Song Order:
Inrto
Verse
Intro
Verse
Chorus
Interlude
Chorus
Verse 2
Intro
First part of verse