Bob Boilen | April 24, 2017 — As the primary booker of the Tiny Desk Concerts, I have this self-imposed rule: No artist can come back for a second visit unless there's something wholly different about what they're doing. The first time alt-J played the Tiny Desk, in 2012, they came as a four-piece; electric guitar, bass, keyboards and drums. They were a pretty new band, their album had been out a
![alt-J: Tiny Desk Concert - YouTube](https://cdn-ak-scissors.b.st-hatena.com/image/square/3d82b3fbe579241ef4c366b8514ab488a5a538df/height=288;version=1;width=512/https%3A%2F%2Fi.ytimg.com%2Fvi%2F8zHdLF3-coA%2Fhqdefault.jpg)