The tracks usually thought of by fans as the best on the soundtrack are Debris, Don't Let Go, Aningaaq, Tiangong, Shenzou and Gravity.
Phenibut was first synthesized by the Russians during the 1960s to relieve tension, anxiety and fear, according to one 2001 study. (It is still prescribed there for these purposes today.) Phenibut is a nootropic or smart drug, a supplement that purports to enhance cognitive performance by increasing memory and attention.
I like phenibut, and have found the NMDA class of drugs to help get me to that same place that phenibut gets me to. Discounting an idea because it is unfamiliar or weird is not a good way to approach the world, in my opinion.