dveykus613, I hear your second point, however, the music you are referring to was played by someone who worshiped Avodah Zaroh. Yes, such music (especially if it is used for the Avodah), even if thy are beautiful melodies can have a bad influence on people. But I hope none of our Jewish singers come even close to such tummah C”V.
I just heard a story that a lady was extremely ill and her husband played a certain beautiful song to her and she had a Refuah…