The Church of Christ, sings from hymn books and they don't have music in worship. They believe that they are the one true church and is the same Church of Christ that is mentioned in the Bible.
When I was a teenager, I had temporarily attended the so called "Church of Christ" and they taught me that ONLY "their" church is the "True Church" and they quoted Romans 16:16 in an effort to support their claim because it mentions the specific words, "churches of Christ. Such a silly claim! I guess those who attend the Church of God denomination could also try to use these verses (Acts 20:28; 1 Corinthians 1:22; 10:32; 11:22 etc..) in an effort to teach they are the only "true Church" as well because those verses use the specific words, "church of God."
They also taught me that musical instruments are nowhere to be found in the New Testament during worship and are forbidden to be used during worship in church and result in worshipping God in vain. The Church of Christ that I temporarily attended sang acapella ONLY during worship and practically condemned other churches that used musical instruments during worship.