It includes an MP3 and synchronized lyrics. This format is tailored for Windows Media Player which is setup by default on most Windows computers. This format is suitable for KaraFun Player, a free karaoke software. It allows you to turn on or off the backing vocals, lead vocals, and change the pitch or tempo. With backing vocals with or without vocals in the KFN version.
Karaoke I Do Not Hook Up - Video with Lyrics - Kelly Clarkson
Completely I share your opinion. In it something is also to me it seems it is good idea. I agree with you. It is very a pity to me, that I can help nothing to you. I hope, to you here will help. Do not despair.