Drop c is the correct tuning, but drop d sounds pretty good.
You'll have to listen to the song to figure out how it sounds exactly. It is probably a
song you'll mostly freestyle, anyway.
Verse
----------------------|
----------------------|
--------5-------------|
-------3------5-------|
--5----------3------5-|
-0-----------------5--|
[ Tab from: https://www.guitartabs.cc/tabs/b/blues_saraceno/bong_squad_tab_ver_2.html ]
Chorus
-----------------------------------------------------|
-----------------------------------------------------|
-------------------5-7~----------------------7-5~----|
-5/6\5/6\5---3-0---5-7~----5/6\5/6\5---3-0---7-5~----|
-5/6\5/6\5---3-0---3-5~----5/6\5/6\5---3-0---5-3~----|
-5/6\5/6\5---3-0-----------5/6\5/6\5---3-0-----------|
------------------------------------------------------|
------------------------------------------------------|
-------------------5-7~-------------------------------|
-5/6\5/6\5---3-0---5-7~----5/6\5/6\5---3-0---5-0------|
-5/6\5/6\5---3-0---3-5~----5/6\5/6\5---3-0---5-0------|
-5/6\5/6\5---3-0-----------5/6\5/6\5---3-0---5-0------|
BRIDGE
-----------------------|
-----------------------|
-----------------------|
-3-0---0-5---0-6---0-7-|
-3-0---0-5---0-6---0-7-|
-3-0---0-5---0-6---0-7-|