13th Floor Elevators - Roller Coaster

General form (with added chords for a better overview, it?s a 24-bar-blues)
  Am                    Am                    Am                    Am
e:---------------------|---------------------|---------------------|---------------------|
b:---------------------|---------------------|---------------------|---------------------|
g:---------------------|---------------------|---------------------|---------------------|
d:--2---3---2---0---2--|--2---3---2---0---2--|--2---3---2---0---2--|--2---3---2---0---2--|
a:00--00---0---0---0---|00--00---0---0---0---|00--00---0---0---0---|00--00---0---0---0---|
e:---------------------|---------------------|---------------------|---------------------|
  Dm                    Dm                    Am                    Am
e:---------------------|---------------------|---------------------|---------------------|
b:---------------------|---------------------|---------------------|---------------------|
g:--2---3---2---0---2--|--2---3---2---0---2--|---------------------|---------------------|
d:00--00---0---0---0---|00--00---0---0---0---|--2---3---2---0---2--|--2---3---2---0---2--|
a:---------------------|---------------------|00--00---0---0---0---|00--00---0---0---0---|
e:---------------------|---------------------|---------------------|---------------------|
  Em                    Dm                    Em                    Dm        
e:---------------------|---------------------|---------------------|---------------------|
b:---------------------|---------------------|---------------------|---------------------|
g:--4---5---4---2---4--|--2---3---2---0---2--|--4---5---4---2---4--|--2---3---2---0---2--|
d:22--22---2---2---2---|00--00---0---0---0---|22--22---2---2---2---|00--00---0---0---0---|
a:---------------------|---------------------|---------------------|---------------------|
e:---------------------|---------------------|---------------------|---------------------|

Variation on Em in 2nd Verse
e:---------------------|
b:---------------------|
g:--4---5---7---5------|
d:22--22---2---2-------|
a:---------------------|
e:---------------------|

Intro (play just the Am riff)
a second guitar adds this sometimes:
e:15-12---7-12----

Verse (the form starts with the singing)

Solo 
at the beginning one guitar plays a bit 'underground':
a:5h7-7 later it turns to the normal Riff, but quietly.
The solo is an improvisation in Am in the 5th fret position

Verse 

Solo 

Verse

Solo/Outro 
the solo goes up to the 12th fret position