I'm pretty sure digital music services, outside of Apple, are not doing all that well right now. So maybe its time for Zune to form some new alliances. That said, I think this blogger is reading into this too much. This information Microsoft is said to be sharing is probably related to their negotiations on how to best bring Zune to mobile devices. And whatever changes do come, the trick will be to keep as much of the end-to-end experience intact.
Btw, Robbie Bach is set to keynote (day 2) CTIA this week.