"K-ON! Live Concert: Let's Go!" is a live concert held in Yokohama on December 30, 2009. A concert dedicated to all the K-ON! fans from each of the seiyuu of the characters. There are a total 8 seiyuu attending the event, including Aki Toyosaki (Yui's seiyuu), Yōko Hikasa (Mio's seiyuu), Satomi Satō ...