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
(549)ZUN
(365)Noriyasu Agematsu
(296)Saori Kodama
(188)DECO*27
(163)Shôko Fujibayashi
(144)Yôhei Matsui
(140)Kôhei Tanaka
(119)Satoru Kôsaki
(116)Kanata Nakamura
(115)Yuki Kajiura
(113)Junko Miyajima
(111)Yôko Kanno
(111)Daisuke Kikuta
(110)Chiyomaru Shikura
(98)Giga
(96)HoneyWorks
(90)Hiroyuki Sawano
(87)Stack
(85)Junpei Fujita
(84)Ayase
(83)ryo (supercell)
(82)Yûho Iwasato
(81)Kanaria
(80)meg rock
(74)Natsumi Tadano
(73)Eve
(72)R・O・N
(70)Andy Knote
(68)Hironobu Kageyama
(68)Stack Bros.
(68)Numa
(65)Rockwell
(65)Sumiyo Mutsumi
(64)Yukinojô Mori
(64)Jun Maeda
(63)ZAQ
(63)Hyadain
(59)Shunsuke Kikuchi
(59)hotaru
(59)Yuki Honda
(57)Hitoshi Fujima
(56)Shô Watanabe
(56)Tom-H@ck
(56)ARM
(55)Erica Masaki
(55)TeddyLoid
(55)Asuka Oda
(54)Ryûtarô Fujinaga
(54)Yasushi Akimoto
(54)Yuriko Mori
(54)Ôji Hiroi
(54)Shôta Horie
(53)TRUE
(52)Tomokazu Tashiro
(52)Masayoshi Ooishi
(51)ZUTOMAYO
(51)Alessandra Valeri-Manera
(50)Emi Inaba
(50)KOTOKO
(50)Jin
(49)Tomoya Tabuchi
(49)syudô
(49)EFFY
(48)Keiichi Okabe
(48)Shôko Oomori
(48)atsuko
(47)40mP
(46)HOYO-MiX
(46)Masami Okui
(46)Michiaki Watanabe
(46)Shôji Meguro
(46)Taku Inoue
(46)Tomoki Kikuya
(46)Yûsuke Shirato
(46)Calliope Mori
(45)Katsuhiko Kurosu
(45)Gérard Salesses
(44)Hige Driver
(44)KATSU
(44)Kyô Takada
(44)eba
(44)Ayato Shinozaki
(43)Hidetoshi Satô
(43)Kanata Okajima
(43)kz
(43)Satoshi Yaginuma
(42)Shûhei Mutsuki
(41)Three
(41)Hidekazu Tanaka
(40)Nobuo Uematsu
(40)Takayuki Negishi
(40)Takuya Watanabe
(40)Yamato Kasai
(40)Genki Mizuno
(39)Kiyomi Kumano
(39)NayutalieN
(39)Pinocchio-P
(39)TSUNKU♂
(39)Jean-François Porry
(38)