Song: Crossroads
Band: Cream
Bassist: Jack Bruce
Tuning: (Standard)-EADG

Jack Bruce improvises alot throughout the song and especially in the solo, I have an intro and verse down for you.  (the improvs aren't Jack Bruces but they are pieces of his with my bits and pieces).

Intro:

G-------------------------------------------
D---7-5-7-----------7-5-7-------------------
A-0--------3b-3b--0--------3b-3b------------x4
E-------------------------------------------

G----7--5-----5--------------------------------2---------
D-0--------7-----7--5--3-----------------3--5------------
A-------------------------5-----2--3--5------------------
E----------------------------3---------------------------

G----------------------------------------------
D---7--5--7--5-7--5----------------------------
A-0-----------------7--------------------------x2
E----------------------------------------------

G----------7--5--------------------------4--6--7----------
D----5--7--------7--5--3--------4--5--7-------------------
A-7-----------------------5--7----------------------------
E---------------------------------------------------------

G---------------------------------------------------------
D-----7--5--7--5-7-5---5h7--5---5-------------------------
A-0------------------7--------7---7--5--3--0--------------
E---------------------------------------------------------

Verse:

G----------------------7--5--7--5-7-5--------------------
D---7--5--7--5-7-5---0----------------7------------------
A-0----------------7-------------------------------------
E--------------------------------------------------------

G--------------------------------------------
D---7--5--7--5-7--5--------------------------
A-0-----------------7------------------------x2
E--------------------------------------------

G----7---7--7--7--7---7--7--5-----5--------------------
D-0----7------------7----------7-----7--5--------------
A------------------------------------------8--5--------
E------------------------------------------------------

G------------------------------------------------------
D---7--5--7--5-7-5-------------------------------------
A-0----------------7-----------------------------------x2
E------------------------------------------------------

G----9--9---9-9--9----------7--7---7-7--7-------------
D-------------------9----------------------7----------
A-7-------------------7--5-------------------5--------
E-----------------------------------------------------

G-----------------------------------------------------
D----7--5--7----------7--5--7-------------------------
A-0-----------3b-3b-0---------3b-3b-------------------
E-----------------------------------------------------

For the solo it's amlost impossible to tab because of the improvisation, but here's the verse and intro.