Bass riff for Chicken Payback by the Bees

Could it really be this simple or am I missing something? (I probably am)

    E x E (Ebb) Gb    A x A (Abb) B
G|-----------------|-----------------|
D|*---------------*|*-7-x-7b(Ā½)~--9-*|
A|*-7-x-7b(Ā½)~--9-*|*---------------*|
E|-----------------|-----------------|
    1 & 2 & 3 & 4     1 & 2 & 3 & 4

x ghost note
b bend note down
~ sustain
* repeat

ps: great film clip! Celebrate the gamification of music! ā€˜All the animals together, break it down, let me hear!ā€™