Harmonix CEO Alex Rigopulos mentioned at CES that he thinks it makes sense to offer up digital versions of songs with Rock Band
tracks in a single offering. Ars Technica
was there when Rigopulos expressed that it's something the company is interested in, but the CEO didn't expound exactly how
it might happen.
Considering Harmonix is owned by MTV, it's not really a stretch
to see how partnerships could be made for such a combo deal to happen, but Rigopulos does believe it would "change the tenor" of the developer's relationship with record labels. As long as Rock Band
tracks continue being about $2 and the digital songs cost an extra buck (if you want
to purchase it), the whole thing sounds like a reasonable deal.