Even if you don’t have a good ear for music you can develop it.
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1. From my point of view having a good ear for music sounds great. It is needed when you want to play any musical instrumen or if you like singing. 2. Another thing about developing a good ear for music is that you will better feel music, beats and sounds.3. And the last one is that you can be a musical critic. I think that for this job you will obviously need this good ear for music.