Vital parishes built on the Bible and the sacraments, committed to evangelizing their neighborhoods, will continue to flourish. The poor will be served, the sick healed, and the dying comforted. None of that is going to change, and I'd wager that it's going to get better.
Concerning iTunes, the deals have mainly been done with the record companies. But the artists, with some exceptions, haven't been very well-represented. This is partly because the record companies have largely been copyright owners.