Pikmin 4: Groovy Long Legs Blue State OST Game rip

When i count the BPM i land on something like 88 BPM however it slowly goes off beat so i wonder how they did this.. i dont think its just a music file i wonder if the Groovy long legs make all the sounds it self and they its just said to move to as close to a 88 BPM as it can.. Mr. Scruffy please look in to this!