Heres the chorus for Black Hole Sun.

IMPORTANT: You MUST use dropped-D tuning (tune your low E string down to D)

-------------------------------------------------------------------------
-------------------------------------------------------------------------
--------1-------------2-----------------------------7--------------------
------1---1---------0---0---------5-------3-------8---8------------------
----1-------1-----0-------0-----5---5---3---3---8-------8----------------
--1-----------1-0-----------0-5-------3-------8-----------8--------------
..sun   won't you come      and wash  away the rain          black hole

-------------------------------------------------------------------------
-------------------------------5--5----7---------------------------------
--------1-------------2--------5--5----7---------------------------------
------1---1---------0---0------5--5----7---------------------------------
----1-------1-----0-------0----3--3----5---------------------------------
--1-----------1-0-----------0--------------------------------------------
 sun    won't you come won't you.....

After the first chorus, I believe the barre chords in subsequent choruses
are C-A#-D (instead of C-D shown above).