Though musical trends come and go, “boy bands” have been well-liked by many for decades. Boy bands almost always perform songs that have been written by professional behind-the-scenes songwriters. This type of songwriting causes boy band songs to appeal to large audiences. Band members themselves are also usually talented singers. Finally, boy band popularity has often been due to band members’ carefully-groomed appearances. Because of these features, the popularity of boy bands is almost certainly here to stay. 

A domino effect or chain reaction is the cumulative effect produced when one event sets off a chain of similar events.

A situation in which one event causes a series of related events, one following another

 A local grocery store was damaged by a large fire on Friday evening. As a result, nearly all the products and shelving units in the store were ruined. A restaurant next door to the store also suffered significant smoke damage. Though it was lucky that no one was injured in the fire, many employees will have to find new jobs while the store struggles to rebuild.