Singing
We at the Orlinda Church of Christ do not use instrumental music in our worship services. In the New Testament, God just asks for singing (Ephesians 5:19) or the "fruit of lips" (Hebrews 13:15). Hence, singing is something that the worshiper can absolutely be sure about doing that is pleasing to God.
"Speaking to one another in psalms and hymns and spiritual songs, singing and making melody in your heart to the Lord" (Ephesians 5:19).
"Let the word of Christ dwell in you richly in all wisdom, teaching and admonishing one another in psalms and hymns and spiritual songs, singing with grace in your hearts to the Lord" (Colossians 3:16).
What does the Bible have to say about singing? We are His instruments. We make melody in our hearts. If you want a meaningful song service that is scriptural, please read the document called Praising God in Song. It is full of Biblical information and some information that experienced singers feel are helpful to getting us, the worshipper, to have a meaningful song service to the Lord. We are all God's Singers.