Drop D tuning 

Signpost by Grinspoon

Intro

|-------------------------------------------|
|-------------------------------------------|
|-------------------------------------------|
|-----------------------------------------3-|
|-----------------------------------------3-|
|-3p0-0-3p0-0-6p0-3p0-0-3p0-0-3p0---------3-|
do this a few times and then do it with the 3's                     
Verse

|-----------------------------|
|-----------------------------|
|-----------------------------|
|-6-5---3---0-0-6-5---3---3-5-|
|-6-5p0-3p0-0-0-6-5p0-3p0-3-5-|
|-6-5p0-3p0-0-0-6-5p0-3p0-3-5-|


|---------------------------------|
|---------------------------------|
|-------------------------5/7-7---|
|-6-5---3---0-0-6-5---3---x-x-x---|
|-6-5p0-3p0-0-0-6-5p0-3p0-3/5-5---|
|-6-5p0-3p0-0-0-6-5p0-3p0---------|

Verse 2

|---------------------------------------------------------|
|---------------------------------------------------------|
|---------------------------------------------------------|
|-6-5---3---0-0-------6-5---3---3-5------6-5---3---0------|
|-6-5p0-3p0-0-0-------6-5p0-3p0-3-5------6-5p0-3p0-0------|
|-6-5p0-3p0-0-0-------6-5p0-3p0-3-5------6-5p0-3p0-0------|

|-------------------------------------------------|
|-------------------------------------------------|
|-------------------------------------------5/7-7-|
|-6-5---3---0-0-------6-5---3---3-5---6-5---x-x-x-|
|-6-5p0-3p0-0-0-------6-5p0-3p0-3-5---6-5p0-3/5-5-|
|-6-5p0-3p0-0-0-------6-5p0-3p0-3-5---6-5p0-------|

Chorus

|-------------------------------------------|
|-------------------------------------------|
|----------------------------10-10-10-8-8-8-|
|-0-0--66-5-55-555-1-1-111---x--x--x--x-x-x-|
|-0-0--66-5-55-555-1-1-111---8--8--8--6-6-6-|
|-0-0--66-5-55-555-1-1-111------------------|

|-----------------------------------------------|
|-----------------------------------------------|
|----------------------------12-12-12-12-6-66-8-|
|-0-0--66-5-55-555-1-1-111---x--x--x--x--x-xx-x-|
|-0-0--66-5-55-555-1-1-111---10-10-10-10-8-88-6-|
|-0-0--66-5-55-555-1-1-111----------------------|

The rest of the song is pretty much the verses and chorus's repeated but the bridge I haven't worked out yet.