Content clouing is a service that puts music on the Internet so that users can listen to it anytime and anywhere. There is no need to download it to your own smartphone or PC, but streaming services are at the center. This success and listening is the business model of a cloud-based streaming service that accesses and listens on the cloud. The business model of cloud streaming service is to control and control this “access right” by accessing and listening on the cloud. There is no idea of ​​copying from the master here. Before the subscription or free fee billing method, let’s grasp the fundamental change of the business provided to the user in the first place.