Things are going very, very well for 24-year-old German DJ and electro producer, Zedd. He's just won a Grammy for Clarity, featuring Foxes. He regularly works with Lady Gaga, and tours with Skrillex and deadmau5. And now it looks like he might have his first UK number one single with Stay the Night (available to download now via iTunes), featuring Hayley Williams. The song has a cool 35 million views on YouTube, 250,000 downloads in the US, and is catchy as all hell. We grabbed five with Zedd to talk icons and tour essentials.