3girls akiyama_mio band bass_guitar black_hair blonde_hair brown_hair commentary_request concert electric_guitar guitar hirasawa_yui instrument k-on! kotobuki_tsumugi long_hair microphone microphone_stand multiple_girls music painttool_sai_(medium) pantyhose playing_instrument sakuragaoka_high_school_uniform school_uniform short_hair singing stage_lights utsui