Unrealesed Alb?

Today i was Browsing on Youtube and i had found the Album Under Skin a Unrealesed Alb.
And they are very awesome Songs on it.
Did Somebody Know why this Alb are not Realesed ??

Thanks

( Sry for my Bad english =) )

looks like a compilation of old songs to me :confused:

Yeah but they are some nice Feauters :confused: