A 23-year-old Japanese woman has again been crowned the world champion of air guitar. Nanami “Seven Seas” Nagura came out on top of a final field of 15 Friday to claim the title at the Air Guitar World Championships in Finland. She had previously won in 2014. She was followed by the US champion and two time World Champion, Matt “The Airistotle” Burns and the Canadian powerhouse shredder Dana "Dana-Saurus Rex" Schiemann. As Japan’s national champion, Seven Seas was among seven