Itou Masumi (red data girl) - Yokan
Itou Masumi - Raspberry Heaven (OST Azumanga Daioh)
Itou Masumi - Raspberry Heaven
♪ Itou Masumi - Raspberry Heaven (Azumanga Daioh ED)
Magical Nyan Nyan Taruto (Itou Masumi) - Kyou no Hana
Itou Masumi - Benibana no Otome Uta
Masumi Itou - Yume no Naka no Watashi no Yume
myu, Itou Masumi - Hajimari no Yokan
Itou Masumi - Yume no Naka no Watashi no Yume (Jinrui wa Suitai Shimashita ED)
Itou Masumi - Hoshi ga Futte Komaru Kara
(OST 'Chi's Sweet Home') Itou Masumi - Ouchi ga Ichiban - wonderful version
[Jinrui wa Suitai Shimashita] Itou Masumi - (Ending)На закате человечества
Itou Masumi - Yume no Naka no Watashi no Yume TV
anime {Scrapped Princess} - Itou Masumi, Ueno Yoko - [Daichi no la-li-la]
Itou Masumi - Yume no Naka no Watashi no Yume
(OST 'Chi's Sweet Home') Itou Masumi - Ouchi ga Ichiban - wonderful version
Masumi Itou and Yoko Ueno - Soramimi Cake (Azumanga Daioh OP)
Masumi Itou - Futari Dakara (OST Koi Kaze ED)
Masumi Itou (Hikaru Nanase) - Garasu no Yume
Itou Shizuka & Yahagi Sayuri & Nakao Eri & Asano Masumi - Honjitsu, Mankai Watashi iro!
Masumi Itou and Yoko Ueno - Soramimi Cake
Itou Shizuka, Yahagi Sayuri, Nakao Eri, Asano Masumi - Honjitsu, Mankai Watashi iro! [Hayate no Gotoku!! ED1]
Masumi Itou - Mayoi no Kotori (Theme of Rakka)
ALI PROJECT & 伊藤真澄 (Masumi Itou) - 聖少女領域 (Seishoujo Ryouiki, Domain of the Holy Girl) (Heart of Magic Garden - Lantis Artists Self Tribute Album 2012)