I started a male choir at my church a few years ago and they have been an absolute blessing. We don't do the quartet thing because I don't like that kind of music, especially when the musicians are too loud and you can't hear the choir. We just have keyboard & drums at my church. We don't play too loud and the male choir sounds very good. The have great harmony. Sometimes we take it back old school with songs like "Lord I know you've been so good, I'm still here, Send me I'll go, Low down chariot, Jordan river, Trouble in my way...etc." Besides, starting that male choir gave the other choir members a break from singing so that they can minister in other areas. And too, having a male choir sets a good example for the younger boys (our male choir consists of older men) by letting them know that there are still men working for God in the church (especially in our church where the women are dominate).