We wish to correct the Acknowledgment in our Article.
Old Acknowledgment:
We thank Alexandre Tannous, M.A., and Twig Harper for recommending selections for the overtone-based playlist. We thank William A. Richards, Ph.D., and Brian D. Richards, Psy.D., for their role in developing the Western classical playlist which had been used in previous studies.
Corrected Acknowledgment:
We thank Alexandre Tannous, M.A., M.A., M.Phil., for suggesting the use of overtone-based music in psychedelic sessions. We thank Twig Harper for recommending a subset of selections for the overtone-based playlist. We thank William A. Richards, Ph.D., and Brian D. Richards, Psy.D., for their role in developing the Western classical playlist which had been used in previous studies.