Last night on The Tonight Show, the Smashing Pumpkins came through and played "The Celestials," the stately and slow-building alt-rock ballad from their new album Oceania. This being my first glimpse of the live reconstituted Pumpkins in a while, I have to say that they sounded like a pretty kickass arena band. Watch the performance below. [videoembed size="full_width" alignment="center"][/videoembed] Oceania ...