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
(674)ZUN
(359)Noriyasu Agematsu
(342)Junko Miyajima
(212)Saori Kodama
(172)DECO*27
(160)Shôko Fujibayashi
(134)Yuki Kajiura
(131)Satoru Kôsaki
(118)Kôhei Tanaka
(117)Kanata Nakamura
(116)Yôhei Matsui
(116)Daisuke Kikuta
(115)Yôko Kanno
(112)HoneyWorks
(110)Chiyomaru Shikura
(104)Giga
(94)Junpei Fujita
(93)Hiroyuki Sawano
(91)Ayase
(84)Yûho Iwasato
(80)Kanaria
(79)ZUTOMAYO
(79)Stack
(78)meg rock
(77)ryo (supercell)
(76)Natsumi Tadano
(73)Eve
(72)Jun Maeda
(69)EFFY
(65)Numa
(65)R・O・N
(64)Stack Bros.
(64)Hironobu Kageyama
(63)Rockwell
(63)ZAQ
(63)Hyadain
(62)TAKE
(62)Yasushi Akimoto
(60)Shunsuke Kikuchi
(59)Tom-H@ck
(59)atsuko
(59)Sumiyo Mutsumi
(58)hotaru
(58)Shôta Horie
(57)TRUE
(57)KATSU
(56)Kanata Okajima
(56)Ryûtarô Fujinaga
(56)Shô Watanabe
(56)ARM
(55)Kôshi Asakawa
(55)Yukinojô Mori
(55)Yuriko Mori
(55)Ôji Hiroi
(55)TSUNKU♂
(54)KOTOKO
(53)TeddyLoid
(53)Tomokazu Tashiro
(53)Erica Masaki
(52)Hitoshi Fujima
(52)Kyô Takada
(51)Alessandra Valeri-Manera
(50)Ayaka Miyake
(50)Masayoshi Ooishi
(50)Menma
(50)Yuki Honda
(50)syudô
(50)Emi Inaba
(49)Hige Driver
(49)shito
(49)Asuka Oda
(48)Jin
(48)Tomoya Tabuchi
(48)Yasuhiro Obata
(48)Keiichi Okabe
(47)Michiaki Watanabe
(47)Shôko Oomori
(47)eba
(47)Satoshi Yaginuma
(46)Shôji Meguro
(46)Taku Inoue
(46)Yasutaka Nakata
(46)40mP
(45)Tomoki Kikuya
(45)Hidetoshi Satô
(44)Katsuhiko Kurosu
(44)Yûsuke Shirato
(44)Hikaru Utada
(43)Takuya Watanabe
(43)Gérard Salesses
(42)HOYO-MiX
(42)Hayato Yamamoto
(42)Hidekazu Tanaka
(42)Nobuo Uematsu
(42)Ayato Shinozaki
(41)Kelly
(41)Kôtarô Odaka
(41)Masaki Iehara
(41)Masami Okui
(41)