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I think this was insightful way to approach the subject.
As it has been stated we must be very careful what we listen to and sing along with because if its not feeding our spirits then it is not beneifical. Paul speaks about what is premissable and what isn't.
We sing songs in service now that lift up high the name of Our God and nothing of 'I' or 'We' hardly anymore because we are called to worship him not 'self'.