The right ear responds more to speech and logic while the left ear is more tuned in to music, emotion and intuition. Scientists believe it's because speech is processed primarily in the left hemisphere of the brain, while music (and other creative functions) are processed in the right hemisphere.

(Source: Healthy Hearing)

What is the right ear advantage?

Certain aspects of linguistic processing are characterized by a right-ear advantage (REA). When, for example, two different words are presented to the two ears simultaneously, words presented to the right ear are reported more accurately than words presented to the left ear.

(Source: Science Direct)

My personal thoughts: https://www.youtube.com/watch?v=jFoFbdnt70w