10GBs of music that might have been why the demo was 1GB most of it were sound files.50GBs on a disc you might aswell leave the sound uncompressed so you have Lossless quality.
End of 2014 Hardware Predictions (03/03/14)
PlayStation 4: 12-15million
Xbox One: 7-10 million
Wii U: 8-9 million (Changed 01/04/2014 from 7-9 --> 8-9 million)