«Back Up» song by BeyoncéThe track «Back Up» appears in: B'day [Circuit City Exclusive] Date: 2006/09/05 Track: 11 / 11
![B'day [Circuit City Exclusive]](https://www.sortmusic.com/covers_yaB/beyonce/2006_170_170_B%2527day%2520%255BCircuit%2520City%2520Exclusive%255D.jpg)