Karaoke Mugen provides many collections, choose the ones you are interested in.
Asia (Music from Asian countries (Japan, South Korea, China, etc.)) Geek / Otaku (Anime/Video Games/Internet culture) Kana (Japanese songs with kana karaoke) Shitpost (Everything you do not want in your song library) West (Mainstream songs from around the western world)Aki Hata
(552)ZUN
(365)Noriyasu Agematsu
(296)Saori Kodama
(190)DECO*27
(164)Shôko Fujibayashi
(145)Yôhei Matsui
(140)Kôhei Tanaka
(120)Satoru Kôsaki
(116)Kanata Nakamura
(115)Yuki Kajiura
(113)Daisuke Kikuta
(111)Junko Miyajima
(111)Yôko Kanno
(111)Chiyomaru Shikura
(100)Giga
(96)HoneyWorks
(91)Hiroyuki Sawano
(87)Junpei Fujita
(87)Stack
(85)Ayase
(83)ryo (supercell)
(82)Yûho Iwasato
(81)Kanaria
(80)meg rock
(74)Natsumi Tadano
(73)Eve
(72)R・O・N
(71)Andy Knote
(68)Hironobu Kageyama
(68)Stack Bros.
(68)Numa
(65)Rockwell
(65)Sumiyo Mutsumi
(64)Yukinojô Mori
(64)Jun Maeda
(63)ZAQ
(63)Shunsuke Kikuchi
(60)hotaru
(60)Hyadain
(59)Yuki Honda
(58)Erica Masaki
(56)Hitoshi Fujima
(56)Shô Watanabe
(56)Tom-H@ck
(56)ARM
(55)Asuka Oda
(55)Ryûtarô Fujinaga
(55)TeddyLoid
(55)Yasushi Akimoto
(55)Yuriko Mori
(55)Ôji Hiroi
(54)Shôta Horie
(53)TRUE
(52)Tomokazu Tashiro
(52)Alessandra Valeri-Manera
(51)Masayoshi Ooishi
(51)ZUTOMAYO
(51)Emi Inaba
(50)KOTOKO
(50)Tomoya Tabuchi
(50)Jin
(49)syudô
(49)EFFY
(48)Keiichi Okabe
(48)Shôko Oomori
(48)Yûsuke Shirato
(47)atsuko
(47)40mP
(46)HOYO-MiX
(46)Katsuhiko Kurosu
(46)Masami Okui
(46)Shôji Meguro
(46)Taku Inoue
(46)Tomoki Kikuya
(46)eba
(46)Calliope Mori
(45)Michiaki Watanabe
(45)Gérard Salesses
(44)Hige Driver
(44)KATSU
(44)Kyô Takada
(44)Ayato Shinozaki
(43)Hidetoshi Satô
(43)Kanata Okajima
(43)kz
(43)Satoshi Yaginuma
(42)Shûhei Mutsuki
(42)Three
(41)Takuya Watanabe
(41)Hidekazu Tanaka
(40)Nobuo Uematsu
(40)Takayuki Negishi
(40)Yamato Kasai
(40)Genki Mizuno
(39)Kiyomi Kumano
(39)NayutalieN
(39)Pinocchio-P
(39)TSUNKU♂
(39)Jean-François Porry
(38)