Whether or not Wish I Was Here, the Zach Braff movie that it seems like we’ve been writing about forever, will be any good remains to be seen. But so far, it’s provided a good soundtrack, soundtracks being to Braff what lens flares are to J.J. Abrams. Today, we get another new song from the upcoming release. It’s called “Heavenly Father” and it’s the first new Bon Iver song we’ve gotten in some time, seeing as Justin Vernon’s been busy with about fifty side projects. You can listen to it over at NPR …