Hi, I'm using Logic Express 7.2 on an intel IMac. I opened an old midi project from my PC 4.8 days and it seemed to work fine. I then decided to replace the old midi drums with apple loops primarily from Drums on Demand's "Tight and Dry" collection. This worked fine until I had a jump of four bars where there were no drum sounds. When I added the loops after this they were slightly delayed. I ran them along side the original midi drums to confirm this. How do I correct this problem since the loops seem to be snapped to the bar grid and should work properly? Thanks, Greg McKitrick