The are the latest guest on the , the always wonderful web series from Music. The band plays a series of tunes from their latest release, III.

The showed up at the Tiny Desk with family, friends and crew who travel with the tight-knit touring band. One special guest in particular was Lenny, the toddler son of lead singer Wes Schultz. As soon as Bob Boilen met Lenny, Bob searched for every toy he could find on the shelves behind his desk to entertain the restless tyke.

Watch it here on NPR or press play below.