Modern photography is amazing. With one lens, a photographer can zoom in on an object far and make it appear near. Then he can put on a wide-angle lens and get the big picture from close-up. What about applying time-lapse to history? Let's look at the church of Christ at Ephesus.
Churches of Christ do not sing a cappella because we dislike other kinds of music. Most of us have as many songs on iPods as the next person. We do not lack financial means to purchase instruments or capable musicians to play them. We are not just trying to be different or stubbornly upholding a longstanding tradition. Why, then, do we sing a cappella?