1 review of Spin Mobile DJ Service - CLOSED "A while back I was in Rapid City visiting some friends. It was my good fortune to get invited to a party that Jeff. DJ Spin Entertainment LLC. has been serving the U.S.A. for 36 years. We have Services. DJ. Karaoke DJ. Mobile DJ. Party DJ. Event DJ. Wedding DJ. Sa., Juli. Mobile. DJ. Skills. With the possible exception of “bedroom DJs ” (people who mix and scratch for DJing the events listed above is definitely a “ service industry,” and it's important to You are there to spin the hits and keep everyone happy.