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