To most Christians the bible is like a software license. Nobody actually reads it. They just scroll to the bottom and click I agree. Many of us who search for meaning, read the Christian Bible more closely than the Tea Party types ever will.
Songs can be a great tool for ELLs to learn English. The lyrics of the songs important to ELLs, as well. Also, they should be educationally appropriate. This material is specifically useful to intermediate or Advanced level of ELLs at this point.