This is a cd comprised of loops made from such sounds as shakers, tambourines, congas, bongos, etc. There are many purposes for loops such as helping your drummer keep a consistent tempo or using them to replace a real drummer if one is not available. Each loop cd contains 5 loops that are about 8:00 minutes in duration each. The tempos are in increments of 10 beats per minute (bpm), 65bpm, 75bpm, etc. Custom loops for specific songs are available upon request by calling 318-308-7847.