Tari Tari would be your best bet. Konatsu wears headphones a lot and all over the place.
K-ON will be listening/playing music in their bedroom often.
AKB0048 is all about a pop music group.
Natsuiro Kiseki has the girls watching a music video and practicing to do the same in episodes 7, 10, 11.
Zanz Bonus Points Tally
8bit_samurai: 1, CodeZTM: 1, Eake4: 2, ibabrak: 5, Mirkosp: 4, tipsd9video: 1, uncreative: 1