K-ON! Live Concert: Let's Go! (けいおん！ライブイベント ～レッツゴー！～) 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 (Ritsu's seiyuu), Minako Kotobuki (Tsumugi's seiyuu), Ayana Taketatsu (Azusa's seiyuu), Asami Sanada (Ms. Sawako's seiyuu), Madoka Yonezawa (Ui's seiyuu) and Chika Fujitō (Nodoka's seiyuu). This concert has been attended by more that 17 thousand fans and a CD, DVD and Blu-Ray copy has been sold throughout Japan.