Nice! Definitely Google Music. Or, depending on how Google rearranges their use of IP addresses, you could end up with "Free Google Everything" (navigation, YouTube, etc.). That would be extra bonus.

On the flip side, where does this play in the "net neutrality" universe? As a user, I'm now incentivized to use one of the "free bandwidth" music services versus an upstart competitor wherein I'd need to pay for more bandwidth.