Summary :
K-On is their band name. The band consists of :

Yui Hirasawa
The Electric Guitarists

Ritsu Tainaka
The Drummer

Mio Akiyama
The Bass Player

Tsumugi Kotobuki
The Keyboard Player

Yui starts her first year in High School and eager to find a club to join, which is easy and simple. One day Yui overheard about the "soft music club" is recruiting guitarist and she send in the application form as a guitarist player. The club currently have 3 members and the club will be ban if the club doesn't have at least 4 members. So Mio, Ritsu and Tsumugi trying to persuade Yui to join. In the end, Yui decided to join the soft music club, and decided to buy a guitar...

Opening Theme :
Cagayake! Girls by Aki Toyosaki with Yoko Hikasa, Satomi Satou and Minako Kotobuki

Ending Theme :
Don't Say "Lazy" by Yoko Hikasa with Aki Toyosaki, Satomi Satou and Minako Kotobuki

Official Website :
K-ON! けいおん！





Trailer :