How to start and build a successful career as a DJ-from at-home mixing to making demos to playing to a live crowd Whether it's a digital or vinyl track of "Proud Mary," a DJ sets the mood, amps up the excitement, and gets a crowd of revelers roc...

How to start and build a successful career as a DJ-from at-home mixing to making demos to playing to a live crowd Whether it's a digital or vinyl track of "Proud Mary," a DJ sets the mood, amps up the excitement, and gets a crowd of revelers roc...