Watch the Harmonics, Bass, Percussion online guitar lesson by Dmitry Lisenko from Percussive Acoustic Bass (Foundry)
We know bass and harmonics part, now let's learn percussion. Pay attention to the first kick drum, it has be powerful, but at the same time you have to take the bass note and harmonics quite gently. It may be complicated at first, but just keep going until you get the right balance. You're actually making three different sounds with one movement.