Tabbed by SV.
Riff A
------
N.C.
(4/4)
.........repeat ? times......................
|-------------------------------------------|
|-------------------------------------------|
|-----6---6-7---7-8---8-7b--6-4-5-----------|
|---5---------------------------------------|
|-------4-----5-----6-----6-----------------|
|-3-----------------------------------------|
|-------------------------------------------|
|-----------------------------tr------------|
|-----6---6-7---7-8---8-7b--6-4~5-----------|
|---5---------------------------------------|
|-------4-----5-----6-----6-----------------|
|-3-----------------------------------------|
Riff B
------
N.C.
(3/4)
|-------------------------------------|
|-12-------13-------12-------13-------|
|----11-------11-------11-------11----|
|-------10-------10-------10-------10-|
|-------------------------------------|
|-------------------------------------|
Riff C
------
N.C.
(9/8)
|--------------------------------------------|
|-------13------12-----11-----10-----9-----8-|
|----11------10------9------8------7-----6---|
|-10-------9-------8------7------6-----5-----|
|--------------------------------------------|
|--------------------------------------------|
Riff D
------
D5 Bb5 D5 F5 Bb5 C5
(3/4)
|-------------------------------|
|-------------------------------|
|-------------------------------|
|-7---------7---------3----5----|
|-5----8----5----3----1----3----|
|------6---------1--------------|
Riff E
------
N.C.
(6/4)
|--------------------------------------------------|
|--------------------------------------------------|
|--------------------------------------------------|
|-10---------9-8---------7-6---------7-8---------9-|
|----9-----8-----7-----6-----5-----6-----7-----8---|
|------8-7---------6-5---------4-5---------6-7-----|
Ending Riff: play Riff C and continue it a bit lower.
The rest is done by slowing down the tape.