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
(691)ZUN
(363)Noriyasu Agematsu
(342)Junko Miyajima
(219)Saori Kodama
(174)DECO*27
(160)Shôko Fujibayashi
(135)Yuki Kajiura
(131)Daisuke Kikuta
(118)Kôhei Tanaka
(118)Satoru Kôsaki
(118)Kanata Nakamura
(117)Yôhei Matsui
(116)HoneyWorks
(115)Yôko Kanno
(114)Chiyomaru Shikura
(104)Giga
(96)Junpei Fujita
(93)Hiroyuki Sawano
(92)Ayase
(84)Stack
(83)Yûho Iwasato
(80)Kanaria
(79)ZUTOMAYO
(79)meg rock
(77)ryo (supercell)
(77)Eve
(74)Natsumi Tadano
(73)Jun Maeda
(69)EFFY
(66)Numa
(66)Stack Bros.
(66)R・O・N
(65)ZAQ
(65)Hironobu Kageyama
(63)Rockwell
(63)Tom-H@ck
(63)Hyadain
(62)TAKE
(62)Sumiyo Mutsumi
(61)Yasushi Akimoto
(61)atsuko
(60)hotaru
(60)Kanata Okajima
(59)Shunsuke Kikuchi
(59)Shôta Horie
(59)KATSU
(57)TRUE
(57)TeddyLoid
(57)Ryûtarô Fujinaga
(56)Shô Watanabe
(56)Yukinojô Mori
(56)Yuriko Mori
(56)ARM
(55)Kôshi Asakawa
(55)TSUNKU♂
(55)Ôji Hiroi
(55)shito
(54)Hitoshi Fujima
(53)KOTOKO
(53)Tomokazu Tashiro
(53)Erica Masaki
(52)Kyô Takada
(52)Alessandra Valeri-Manera
(50)Asuka Oda
(50)Ayaka Miyake
(50)Masayoshi Ooishi
(50)Menma
(50)Yuki Honda
(50)syudô
(50)Emi Inaba
(49)Hige Driver
(49)Jin
(49)Yasuhiro Obata
(49)Yûsuke Shirato
(49)Keiichi Okabe
(48)Tomoya Tabuchi
(48)Michiaki Watanabe
(47)Shôko Oomori
(47)Taku Inoue
(47)eba
(47)Satoshi Yaginuma
(46)Shu Kanematsu
(46)Shôji Meguro
(46)Yasutaka Nakata
(46)40mP
(45)Katsuhiko Kurosu
(45)Tomoki Kikuya
(45)HOYO-MiX
(44)Hidetoshi Satô
(44)Jorakuji Mio
(44)Ayato Shinozaki
(43)Hayato Yamamoto
(43)Hikaru Utada
(43)Masaki Iehara
(43)Takuya Watanabe
(43)Gérard Salesses
(42)Hidekazu Tanaka
(42)Kôtarô Odaka
(42)Nobuo Uematsu
(42)