intro:
guitar 1 (starts solo, without guitar 2)
e-|-------------------------------------------------14-17----15-14-15---------
B-|-------------------------------------13-15----16-------------------15------
G-|-------------------------12-14----15---------------------------------------
D-|----------------------12---------------------------------------------------
A-|----------------12-13------------------------------------------------------
E-|--3-----1----15------------------------------------------------------------

e-|-15-14-15-------15-14-15---------------------------------------------------
B-|----------16----------------15h16p15----------------------------------16-15
G-|-------------------------------------17-15-14-15-14----------14-15-17------
D-|----------------------------------------------------17-16-17---------------
A-|---------------------------------------------------------------------------
E-|---------------------------------------------------------------------------

e-|---------------------------------------------------------------------------
B-|-15-------------------------15---------------------------------------------
G-|----17-15-17----17-15-14-15-------17----15----14---------------------------
D-|-------------------------------------------------17-16---------------------
A-|---------------------------------------------------------------------------
E-|---------------------------------------------------------------------------
guitar 1 continued, duet with guitar 2 (notated below)
e-|---------------------------------------------------------------------------
B-|-------------------------15----16-15---------------------------------------
G-|-------14----15----17----------------17-15-14-15-14-------14---------------
D-|-17-------------------------------------------------17-16----17------------
A-|---------------------------------------------------------------------------
E-|---------------------------------------------------------------------------

e-|-------------------------------------14-15---------------------------------
B-|----------------------------15---------------------------------------------
G-|-14-------15-------17------------------------------------------------------
D-|---------------------------------------------------------------------------
A-|---------------------------------------------------------------------------
E-|---------------------------------------------------------------------------
(end intro)

guitar 2 (enters where indicated above)
e-|---------------------------------------------------------------------------
B-|-----------------------------------4-----3-----------3--------3------------
G-|-----------------------------3--5--------------5--------5--------3--5------
D-|--------------------3--5--7------------------------------------------------
A-|-----------3--5--6---------------------------------------------------------
E-|--3--5--6------------------------------------------------------------------

e-|---------------------------------------------------------------------------
B-|---------------------------------------------------------------------------
G-|--3------------------------------------------------------------------------
D-|-----7--5--3--5--7--5--3-----------------3--5------------------------------
A-|--------------------------6--5--3--5--6--------5--3------------------------
E-|-----------------------------------------------------6--5--6--5--3---------
(end intro)

first few arpeggios after Janis enters singing "Summertime ..."
    Gm           Gm/F#       Gm7  
e-|-----------------------------------3---------------------------------------
B-|--------3-----------3-----------3-----3------------------------------------
G-|-----3-----------3-----------3-----------3---------------------------------
D-|--5-----------4-----------3------------------------------------------------
A-|---------------------------------------------------------------------------
E-|---------------------------------------------------------------------------
     Gdim                 Cm7
e-|-----------3--------------------3------------------------------------------
B-|--------2-----2--------------1-----1---------------------------------------
G-|-----3-----------3--------3-----------3------------------------------------
D-|--2--------------------1---------------------------------------------------
A-|---------------------------------------------------------------------------
E-|---------------------------------------------------------------------------