This tab is indeed only EADG,all you need to do is turn the mid and treble up on your amp. I tabbed this with my bass teacher and he says its correct. Also play every note sticatto im not going to bother putting in little dots or indicators.
enjoy the tab!

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


remember the mid and treble