This is the 384th most frequent Japanese word.
音楽
Music.
Here, '音楽' is the topic of the sentence, indicating what the subject prefers.
音楽が好きです。
I like music.
In this example, '音楽' is the subject of the sentence, described as having healing effects.
音楽は心を癒す力があります。
Music has the power to heal the mind.
In this sentence, '音楽' is used as a direct object of the verb 'to listen'.