 If you liked
K-On!!
|
 ...then you might like
Tari Tari
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Two music anime about school music clubs. (Though in Tari-Tari it's a bit more than just a music club). They are ultimately about a group of people brought together by the club and learning to become friends. The moods are quite similar in both, featuring plenty of cozy, funny, and heartwarming scenes. Lots of character drama.