01-23-2017, 04:52 AM
As Steve has mentioned, using a library backup (which can be generated under Settings->Backup and Restore->Backup Library) is the correct way to copy your entire library over to all of the other devices. Keeping them in sync after that is a little more difficult at the moment. You either need to keep using library backups to keep them in sync, or use the sharing feature to send out setlists and songs to the other users. I'm going to be adding synchronization features very soon to make this easier.
Mike
Mike