Oh okay, nevermind. My problem is solved so far.
I watched it yesterday until the 30min mark, but I thought this is for looping tracks only.
No, he adds the option to disable it afterwards.
Here is the link: https://docs.unrealengine.com/latest/INT/Videos/PLZlv_N0_O1ga0aV9jVqJgog0VWz1cLL5f/wR0fH6O9jD8/