The pause and resume button is not working correctly.
When clicking pause the audio stops but the graphics and lyrics keep going. 
I am going to test the sync aspect now and will post my findings
OS Name Microsoft® Windows Vista™ Home Premium
Version 6.0.6001 Service Pack 1 Build 6001
OS Manufacturer Microsoft Corporation
System Manufacturer TOSHIBA
System Model Satellite X205
System Type X86-based PC
Processor Intel(R) Core(TM)2 Duo CPU T8100 @ 2.10GHz, 2001 Mhz, 2 Core(s), 2 Logical Processor(s)
BIOS Version/Date TOSHIBA V2.50, 6/11/2008
SMBIOS Version 2.4
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume2
Locale United States
Hardware Abstraction Layer Version = "6.0.6001.18000"
Installed Physical Memory (RAM) 4.00 GB
Total Physical Memory 3.00 GB
Available Physical Memory 1.72 GB
Total Virtual Memory 169 GB
Available Virtual Memory 167 GB
Page File Space 166 GB
Page File C:\pagefile.sys