T-Pain's Tiny Desk Concert has been viewed 6.6 million times on YouTube alone. Maggie Starbard/NPR hide caption

itoggle caption Maggie Starbard/NPR

The Best Music Of 2014

2014: The Year In Tiny Desk Concerts

Surveying the year's highlights, from T-Pain to the Pixies to a 12-piece Balkan brass extravaganza.