SiriusXM this week offered a few more details on how it plans to leverage its newest asset, Pandora, following its $3.5 billion acquisition of the streaming music service last year, which officially closes on Friday. At the time of the deal, the company spoke about the potential for cross-promotion opportunities between the services and new subscription packages. Now, those efforts are getting off the ground — starting with a promotion within the Pandora app for SiriusXM subscriptions, followed by the launch of Pandora channels within the SiriusXM app. Currently, SiriusXM offers a variety of programming packages , ranging from a cheaper ($11/mo) “Mostly Music” sampling of channels all the way up to a premium “All Access” ($21/mo) subscription. It also runs various time-limited promotions that offer its service for as little as $5 per month for a set period, like six months. According to Sirius XM CEO James Meyer — speaking to investors on the Q4 earnings call on Wednesday — the com...