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
(298)Saori Kodama
(193)DECO*27
(165)Shôko Fujibayashi
(145)Yôhei Matsui
(141)Kôhei Tanaka
(120)Satoru Kôsaki
(116)Kanata Nakamura
(115)Yuki Kajiura
(113)Junko Miyajima
(112)Yôko Kanno
(112)Daisuke Kikuta
(111)Chiyomaru Shikura
(100)Giga
(97)HoneyWorks
(91)Junpei Fujita
(88)Hiroyuki Sawano
(87)Stack
(85)Ayase
(83)ryo (supercell)
(83)Yûho Iwasato
(82)Kanaria
(81)Eve
(74)meg rock
(74)Natsumi Tadano
(73)R・O・N
(71)Andy Knote
(68)Hironobu Kageyama
(68)Stack Bros.
(68)Numa
(67)Rockwell
(65)Sumiyo Mutsumi
(64)Yukinojô Mori
(64)Jun Maeda
(63)ZAQ
(63)hotaru
(61)Shunsuke Kikuchi
(60)Hyadain
(59)Shô Watanabe
(58)Yuki Honda
(58)TeddyLoid
(57)Asuka Oda
(56)Erica Masaki
(56)Hitoshi Fujima
(56)Shôta Horie
(56)Tom-H@ck
(56)ARM
(55)Ryûtarô Fujinaga
(55)Yasushi Akimoto
(55)Yuriko Mori
(55)Ôji Hiroi
(54)TRUE
(53)Tomokazu Tashiro
(52)Alessandra Valeri-Manera
(51)Emi Inaba
(51)Masayoshi Ooishi
(51)ZUTOMAYO
(51)KOTOKO
(50)Tomoya Tabuchi
(50)Jin
(49)syudô
(49)EFFY
(48)Keiichi Okabe
(48)Shôko Oomori
(48)Yûsuke Shirato
(47)atsuko
(47)40mP
(46)Calliope Mori
(46)HOYO-MiX
(46)Katsuhiko Kurosu
(46)Masami Okui
(46)Shôji Meguro
(46)Taku Inoue
(46)Tomoki Kikuya
(46)eba
(46)Michiaki Watanabe
(45)Gérard Salesses
(44)Hige Driver
(44)KATSU
(44)Kyô Takada
(44)kz
(44)Ayato Shinozaki
(43)Hidetoshi Satô
(43)Kanata Okajima
(42)Satoshi Yaginuma
(42)Shûhei Mutsuki
(42)Takuya Watanabe
(42)Three
(41)Hidekazu Tanaka
(40)Kiyomi Kumano
(40)Nobuo Uematsu
(40)Takayuki Negishi
(40)Yamato Kasai
(40)Genki Mizuno
(39)MIMI
(39)NayutalieN
(39)Pinocchio-P
(39)TSUNKU♂
(39)