Iron Butterfly — In A Gadda Da Vida (btab)

Verse: (Main Riff)
G:------------------------|
D:--0-0-3-2---0--7-6-5-3--|
A:----------3-------------|
E:------------------------|

Pre-Chorus Riff:
G:------------1-2-1-2-3-2-1-2-1h2p1----|
D:--0-2-3-2-3-----------------------3--|
A:-------------------------------------|
E:-------------------------------------|

Chorus: Part One
G:----------------------------------|
D:--5---3-5--5-4-3--2-----2--2-3-4--|
A:----5---------------2-5-----------|
E:----------------------------------|

Chorus: Part Two
G:----------------------------------|
D:--7---5-7--7-6-5--4-----4--4-5-6--|
A:----7---------------4-7-----------|
E:----------------------------------|

Post-Chorus Riff:
G:---------------------------------|
D:--9-----9-8h9p8------------------|
A:----------------9--11--13--7--9--|
E:-----7---------------------------|

Bass Fill into Drum Solo:
G:--6h7p6h7-----------------|
D:----------6h7p6h7-0-------|
A:--------------------------|
E:--------------------------|

Variation of Verse Riff:
G:--------------------------|
D:--0-0-3-2---0--0-0-3-2----|
A:----------3------------3--|
E:--------------------------|

Order:
Organ Intro
Verse (x8) 
Pre-Chorus
Chorus: Part 1 (x2)
Chorus: Part 2 (x2)
Post-Chorus
Verse (x8) 
Pre-Chorus
Chorus: Part 1 (x2)
Chorus: Part 2 (x2)
Post-Chorus
Verse (x about 40)*
Bass Fill into Drum Solo
6+ minute drum solo, so you can take a little break here
Bass Fill variation under guitar and keyboard effects
Short drum solo
Verse variation (x4) bass & drums only
Verse (x8 or 10) 
Pre-Chorus
Chorus: Part 1 (x2)
Chorus: Part 2 (x2)
Post-Chorus
Verse (x4)
Drum fill
Verse Variation (x4)
Organ fill (intro)
Verse (First Half)