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In playing guitar "JAM" means "Players informal an impromptu discussion just as people talk to each other." For the guitarist is an important ability to interact with other members. By using nowaday technology , guitar effector can be made as software or application on computer , smart phone or tablet. It integrate with SNS (Social Network Services) , and provides way for users to exchange information with each other on the Internet , sharing covered song or playing together on-line.