It's pretty simple. This is only how I play it, so feel free to expiriment.
[ Tab from: https://www.guitartabs.cc/tabs/c/cake/open_book_tab.html ]
E#-------------------------------------------------------------------
B#-------------------------------------------------------------------
G#-------------------------------------------------------------------
D#5-5-5--5-5-7-6--5-5-5-5-7-7-7-7-7-7-7-7-7-7-7-7-9-9-9-9-10-10-10-10
A#5-5-5--5-5-7-6--5-5-5-5-7-7-7-7-7-7-7-7-7-7-7-7-9-9-9-9-10-10-10-10
E#5-5-5--5-5-7-6--5-5-5-5-7-7-7-7-7-7-7-7-7-7-7-7-9-9-9-9-10-10-10-10
Bear in mind, it's not very good and I had to hand write it, but I tried to make it accurate.
-Have fun,
Sparky the Goldfish.
