The same frequency number does not mean the same timbre, loudness, rhythm, cultural familiarity or personal history. Difference is not a listening error; the question is larger than one number.
Inner Resonance Product and Research Team · Musical preference and hearing differences are evidence-based; there is no agreed scientific standard for a fixed personal hertz value
Music may support relaxation and stress recovery, but participants, music selection, setting and measurement can substantially change a study’s conclusion.
Inner Resonance Editorial Team · Systematic reviews with substantial heterogeneity
