PREACH it! 
I ask all reading this to consider the following: if the lyrics of your favourite music were to be a spell that comes true through repetition, would you REALLY want the situations and emotions they describe to manifest in your life?
The earliest works we recognise as spells were set to music, because rhythm and harmony embeds things deeply into our minds.
You can probably recall advertising jingles and theme tunes from your childhood, long after forgetting the voices and faces of schoolfriends you loved dearly, and spents endless hours with every week. I can’t remember my lovely grandma’s speaking voice at all, but I can remember the lyrics for the fucking Um Bongo advert perfectly. 
Choose carefully what you feed your mind.