These performance tracks are the perfect thing if you do not have and musicians. Choirs, Solo Artists, Praise & Worship Teams – Don’t Miss out on these wonderful tracks. They all come with at demonstration track and are available in several keys. Some come with background vocals and some do not. Be sure to look over the description of the item to see how many mp3’s come with each individual song. Looking forward to doing business with you and I look forward to your videoing the performance as well. Take Care & God Bless – Starling.