hi, recently the tracks already played do not turn color blue or grey. the first track i play at start up turns blue but no others. if i use autoplay they do turn blue. but not standard play. i have 2 mac book pros. apx 2011-`2012 running mavericks on each. serato1.9.3 with pioneer ddjsx2. firmware 1.05. the problem is on both macs. the same happens on other versions of serato dj 1.9.2 etc. anyone experience this? dj rick