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
(663)ZUN
(353)Noriyasu Agematsu
(340)Junko Miyajima
(201)Saori Kodama
(169)DECO*27
(156)Shôko Fujibayashi
(131)Yuki Kajiura
(127)Satoru Kôsaki
(118)Kôhei Tanaka
(116)Daisuke Kikuta
(113)Kanata Nakamura
(113)Yôhei Matsui
(111)Yôko Kanno
(109)HoneyWorks
(106)Chiyomaru Shikura
(104)Junpei Fujita
(93)Giga
(89)Hiroyuki Sawano
(89)Ayase
(80)Yûho Iwasato
(79)ZUTOMAYO
(79)Kanaria
(78)Stack
(76)ryo (supercell)
(76)meg rock
(74)Eve
(71)Natsumi Tadano
(71)Jun Maeda
(69)Numa
(65)Rockwell
(63)Hyadain
(62)R・O・N
(62)Stack Bros.
(62)TAKE
(62)ZAQ
(62)Hironobu Kageyama
(61)Yasushi Akimoto
(60)EFFY
(59)atsuko
(59)KATSU
(56)Shunsuke Kikuchi
(56)ARM
(55)Kanata Okajima
(55)Kôshi Asakawa
(55)Ryûtarô Fujinaga
(55)Shôta Horie
(55)Sumiyo Mutsumi
(55)TRUE
(55)Yuriko Mori
(55)Ôji Hiroi
(55)Tomokazu Tashiro
(54)TSUNKU♂
(54)Yukinojô Mori
(54)KOTOKO
(52)Shô Watanabe
(52)Hitoshi Fujima
(51)hotaru
(51)Alessandra Valeri-Manera
(50)Erica Masaki
(50)Kyô Takada
(50)Masayoshi Ooishi
(50)Tom-H@ck
(50)Emi Inaba
(49)Yuki Honda
(49)Asuka Oda
(47)Michiaki Watanabe
(47)Shôko Oomori
(47)shito
(47)syudô
(47)Jin
(46)Keiichi Okabe
(46)Menma
(46)Satoshi Yaginuma
(46)Shôji Meguro
(46)TeddyLoid
(46)40mP
(45)Hige Driver
(45)Tomoya Tabuchi
(45)Yasuhiro Obata
(45)Hidetoshi Satô
(44)Katsuhiko Kurosu
(44)Taku Inoue
(44)Tomoki Kikuya
(44)Yasutaka Nakata
(44)Hikaru Utada
(43)Takuya Watanabe
(43)eba
(43)Gérard Salesses
(42)Nobuo Uematsu
(42)Masaki Iehara
(41)Three
(41)Daisuke Asakura
(40)Hayato Yamamoto
(40)Hidekazu Tanaka
(40)Yûsuke Katô
(40)Yûsuke Shirato
(40)Ayato Shinozaki
(39)Calliope Mori
(39)HOYO-MiX
(39)