4b133310_r_Performances___Dolphin_Music_ther_Super_Looper_Performances_Gear_Used
[Artist] Andrew Bird [What They Do] Multi-instrumentalist Bird creates whole complex arrangements with an array of instruments. [Gear Used] 
Uses a DL4 in this TED talk demonstration, along with a huge array of other pedals by the looks of things. A multi effects would be a good accompaniment for a huge range of sounds.
The Best Loop Pedals - With Super Looper Performances | Dolphin Music
Gear Used