Foo Fighters: Tiny Desk Concert Featuring new songs and beloved classics, the stadium-sized rock band shrinks down its outsized sound without losing any urgency or oomph. Foo Fighters: Tiny Desk Concert Like a lot of artists who play the Tiny Desk, the guys in Foo Fighters carefully curated and worked through their set for weeks leading up to their appearance, even taping out the dimensions of the Desk in a practice space to puzzle-out the close quarters. But once they were in the office, they tossed most of those plans. "If you put instruments in our hands and there are people," Dave Grohl jokes, "it's fun to play!" For a better part of the last 30 years, Foo Fighters has worn the crown for stadium-sized guitar rock. But for this performance, the band shrinks down that outsized sound to something that fits perfectly behind the Desk, without losing any urgency or oomph.…