Sources of further information:
Efficacy of binaural auditory beats in cognition, anxiety, and pain perception: a meta-analysis
https://pubmed.ncbi.nlm.nih.gov/30073406/
The effects of music & auditory beat stimulation on anxiety: A randomized clinical trial
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0259312