Great article over at blog.worship.com
You may find a lot of your past mistakes are now being exposed with a click or that your harmony you always sing is actually flat now that you have some accompaniment in the loop. There is also risk of computer melt down, but that’s why we only recommend Macs here.
I have used a drum loop before in the song “All the Earth” by Charlie Hall. They are really easy to create in Garage Band – and then exported to iTunes and used in a playlist.