Hachikuji Mayoi (Katou Emiri) - happy bite
[Bakemonogatari OP 2] - Katou Emiri - Kaerimichi
Hirano Aya, Katou Emiri, Fukuhara Kaori, Endou Aya - Na-Ri-A-Ga-Ri
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Lucky star opening
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Ayu - Hamatte Sabotte Oh My God!
Hachikuji Mayoi (Katou Emiri) - Kaerimichi (Bakemonogatari)
Katou Emiri, feat. Hiiragi Kagami (Lucky Star) - Kenka Yohou no Jikan dayo
Hachikuji Mayoi (Katou Emiri) - Kaerimichi
Katou Emiri - Kaerimichi [Bakemonogatari Opening 2]
Ayase Naru (CV: Katou Emiri) - HAATO♥IRO♥TORI DORI~MU [Pretty Rhythm Rainbow Live OST]
Ayase Naru (CV: Katou Emiri) - HAATO♥IRO♥TORI DORI~MU [Pretty Rhythm Rainbow Live OST]
Ayase Naru (CV: Katou Emiri) - HAATO♥IRO♥TORI DORI~MU (inst.) [Pretty Rhythm Rainbow Live OST]
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Doraemon No Uta
Hirano Aya, Katou Emiri, Fukuhara Kaori & Endo Aya - Motteke! Sailor Fuku
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Опенинг к лаки стар xD
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku [Metabo Taisaku Mix] (ЛАКИ СТАР)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Kaeshite! Knee Socks
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku (off vocal)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku[Lucky Star Opening]
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Make nai de
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - опенинг 1. Lucky Star
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku (instrumentall)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Hare Hare Yukai
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Dondake Fanfare
Hirano Aya & Katou Emiri & Fuk - Motteke! Sailor Fuku (Lucky Star )
Katou Emiri & Miyahara Nami & Kawana Machiko - Touch me!
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motte ike! SEERAAfuku (Lucky Star OP) *О* :3
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - x3
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku (OST Lucky Star opening)
Katou Emiri - Sailor Fuku to Kikanjuu
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Doraemon no Uta (Lucky Star ED)
Ayase Naru (CV: Katou Emiri) - Hato ♥ iro ♥ toridori ~ mu [Pretty Rhythm Rainbow Live ]
Hirano Aya & Katou Emiri & Fuk - Motteke! Sailor Fuku
Katou Emiri - (Kagami Hiiragi character song) - Kenka Yohou no Jikan dayo
Katou Emiri - Kenka Yohou no Jikan dayo (off vocal)
Katou Emiri - 100% nai nai nai (off vocal)
Ayase Naru (CV: Katou Emiri) - HAATO♥IRO♥TORI DORI~MU (Рита)
Mayoi Hachikuji [Katou Emiri] - Courage to tell a lie
Hirano Aya & Katou Emiri - Лаки Старт с:
Katou Emiri - Kaerimichi (monogatari op)
Hirano Aya & Katou Emiri - Motteke! Sailor Fuku (off vocal)
Katou Emiri&Kamiya Hiroshi - Kaerimichi(2009)
Katou Emiri - twins, oh no! no more double!!
Katou Emiri - Kaerimichi [OST Bakemonogatari OP 2]
Katou Emiri - Kimi no shiranai
Hirano Aya/Endo Aya/Fukuhara Kaori/Katou Emiri - Motteke! Sailor Fuku (short)
Mayoi Hachikuji (CV. Emiri Katou) - Kaerimichi (Bakemonogatari OP#2)
Aya Hirano, Emiri Katou & Kaori Fukuhara - Motteke! Sailor Fuku!
Aya Hirano & Emiri Katou - Kachigumi
Emiri Katou - 100% nai nai nai
Emiri Katou & Suzuko Mimori - Koi no Double Punch
Naru Ayase (Emiri Katou) - Happy♥ Happy♥ Naru
Aya Hirano & Emiri Katou - KACHIGUMI
Aya Hirano, Emiri Katou, Kaori Fukuhara & Aya Endo - Motteke! Sailor Fuku
Emiri Katou - Kaerimichi (Monogatari Series OST)
Bakemonogatari [化物語] - Kaerimichi [帰り道] (Katou Emiri)
Bakemonogatari OST - Katou Emiri - Kaerimichi (Op2)
Sati Akura - Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya – Motteke! Sailor Fuku (Rus)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku - Lucky Star (OP)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Doraemon No Uta
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya & Unknown - Motteke! Sailor Fuku Heavy Metal Remix
Kitamura Eri & Endou Ayu & Gotou Saori & Makino Yui & Katou Emiri - Agressive zone
OST from ''Baka to Test to Shoukanjuu'' (Harada Hitomi, Mizuhashi Kaori, Katou Emiri, Isomura Tomomi) - Hare Tokidoki Egao (Ending 2)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Doraemon No Uta / Doraemon's Song
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - опенинг лаки стар ^^ (вынос мозга!!!)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Doraemon No Uta / Doraemon's Song (Lucky Star Ending 11)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku [Lucky Star Opening]
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke!Sailor Fuku
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Ayu (Lucky star OST) - Hamatte Sabotte Oh My God!
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku (OP OST Lucky Star)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Nantettatte Densetsu
Izumi Konata (Hirano Aya)/Hiiragi Tsukasa (Fukuhara Kaori)/Hiiragi Kagami (Katou Emiri)/Takara Miyuki (Endo Aya) - Motteke! Seerafuku!
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Kaeshite! Knee Socks
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Doraemon no Uta (Lucky Star ED)
Hirano Aya & Katou Emiri & Fukuhara Kaori & Endou Aya - Motteke! Sailor Fuku (off vocal)
Harada Hitomi & Mizuhashi Kaori & Katou Emiri & Isomura Tomomi - Hare Tokidoki Egao (Baka to Test to Shoukanjuu ED 2)
Aya Hirano & Emiri Katou & Kaori Fukuhara & Aya Endou - Kaeshite! Knee socks