@rglgathrawn: True that. But you're giving them too much credit. In 99% of the cases, the graphics aren't even marginally better. ALL THEY DO is increase the resolution a bit and that is basically done by changing one line of code. Absolutely NO EFFORT IS PUT into these.
So basically, listening to music while playing games is a separately PAID FEATURE (with a very high price, mind you). Since you only have the option to listen to it through these shitty inconvenient "services". Of course they couldn't let you just play your MP3s, like the previous gen let you and PC, naturally.
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