Music is something that connects the body, spirit and soul.listening to a particular song can affect us negatively or positively.That is why in my own opinion we should be mindful of some set of songs..
For example if your a Christian we should only listen to what edifies you...songs that will remind you of your place in Christ ,the life to come here after.likewise other believes. I rest my case
you are christian the way you talk mate and Yes you should know what kind of music you are listening because
sometimes even when you are a good person but you kept listening to negative musics surely you will change that attitude so better
prepare to what you are having in music.
My Music is different from my Mood .. when I am happy i use grunge , when i'm angry I use Hard metal and when I'm inlove sure I am into Jazz and lovesong .
but even what type of music applied to the song but the body or the words uses are the important part here ,
because those are what will encourage us for what to be made in the future.