What are Binaural Beats? Tones produced specifically for the purpose of altering your brainwave frequencies. The posts in the link also contains an exclusive free binaural beats sample of a pure alpha wave. Re-pin this and subscribe to my blog.
The sounds from this video gave me the strongest ASMR experience I've ever had. Managed to experience it without having to look at the video either, audio only. Every single on of the close up sounds caused brain tingles.