I've always been able to sync between my two Mac Book Pros. My worship leader inputs all the songs and videos and when I open my Mac, they are just there. This week nothing makes them sync. I can see the new songs online, but not on my Mac, which I use with the church projector. I called customer support and she couldn't help me. I even uninstalled and reinstalled Proclaim. Any suggestion? I may have to return to Keynote, if I can't get this working.