Don’t Neglect the Horizontal Dimension of Singing and Worship

I have a great privilege: to stand in front of the congregation and hear them sing. We sing to God, primarily (vertically), but this blogger makes a good point about singing to each other (horizontally): http://thegospelcoalition.org/blogs/justintaylor/2011/08/26/dont-neglect-the-horizontal-dimension-of-singing-and-worship/