Okay thanks, we are not quite sure why that happened to be really honest. It could be that the AutoDJ was unable to play one of the files from your 3AM playlist and therefore played the track from your Chronological (general rotation) playlist (which has a weight of 20) as a kind of back up? Although normally if the AutoDJ is unable to play a particular file it should just proceed to the next track from the same playlist.
One thing I have noticed though with your uploaded files is that they are all of varying different bitrates. Ideally these should all be encoded at the same bitrate as per your AutoDJ features configuration of 128kbps. Although the AutoDJ does re-encode these files on the fly, you should really upload them to begin with at a matching bitrate (128kbps) and sample rate (44100hz) as any inconsistencies on the file change overs can sometimes cause some playback issues with the feature!
