The music hearing is divided into absolutehearing and relative hearing.
音乐听觉分绝对听觉和相对听觉。
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The ability of absolutehearing is essential for a music-major learner, but very few people are born with the ability, and the most of the music learners have to acquire it through special training.
I remember hearing that. This is not a dream, this is not fantasy, this is absolute. I sometimes still wake up with having night terrors and flashbacks about this.