In his first letter to the Corinthians the Apostle Paul teaches us a very important reality. Satan and evil are not located in physical things. Satan works to convince us that evil lurks in certain kinds of food and drink, in sounds and rhythms in music, or in sex. The truth is that our Heavenly Father created the physical world and He declared that all of it was very good. Evil infects when we use God's good material gifts against His purpose for these things.
The Apostle Paul makes the radical statement in Romans 14:14 that "I am persuaded by the Lord Jesus that there is nothing unclean in itself," and in verse 20, "All things indeed are pure." Paul warns us against wounding the delicate conscience of another, but he still maintains his point--evil is not in the things but in us when we use the Lord's good gifts illegitimately. Paul reaffirms this same message to the Corinthians and to us.