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
(743)ZUN
(387)Noriyasu Agematsu
(363)Junko Miyajima
(263)Saori Kodama
(224)DECO*27
(182)Yôhei Matsui
(166)Shôko Fujibayashi
(164)Yuki Kajiura
(144)Daisuke Kikuta
(142)HoneyWorks
(140)Kôhei Tanaka
(130)Satoru Kôsaki
(129)Kanata Nakamura
(126)Yôko Kanno
(125)Hiroyuki Sawano
(117)Junpei Fujita
(115)Chiyomaru Shikura
(111)Giga
(110)Ayase
(100)Yûho Iwasato
(100)Andy Knote
(99)Stack
(92)ryo (supercell)
(91)Jun Maeda
(87)Kanaria
(85)meg rock
(83)ZUTOMAYO
(82)Shôta Horie
(79)Ryûtarô Fujinaga
(78)Yasushi Akimoto
(78)Eve
(77)R・O・N
(77)Natsumi Tadano
(76)TRUE
(75)Hironobu Kageyama
(74)Stack Bros.
(74)TSUNKU♂
(74)Asuka Oda
(73)EFFY
(73)TAKE
(71)TeddyLoid
(71)Yukinojô Mori
(71)Numa
(70)ZAQ
(70)Rockwell
(69)Sumiyo Mutsumi
(69)Kanata Okajima
(68)Yuriko Mori
(68)Shô Watanabe
(67)Hyadain
(66)hotaru
(66)Erica Masaki
(65)KATSU
(65)Tom-H@ck
(65)Yamato Kasai
(65)Shunsuke Kikuchi
(64)Yuki Honda
(64)atsuko
(64)Yasuhiro Obata
(63)shito
(63)Takuya Watanabe
(62)Cassie Wei
(61)Masayoshi Ooishi
(61)Tomoki Kikuya
(61)Yûsuke Shirato
(61)Hitoshi Fujima
(60)Shu Kanematsu
(60)Kôshi Asakawa
(59)Tomoya Tabuchi
(58)Ayaka Miyake
(57)KOTOKO
(57)Hayato Yamamoto
(56)syudou
(56)Ôji Hiroi
(56)ARM
(55)Menma
(55)Satoshi Yaginuma
(55)Tomokazu Tashiro
(55)HOYO-MiX
(54)Jin
(54)eba
(54)Katsuhiko Kurosu
(53)Hige Driver
(52)Kelly
(52)Kyô Takada
(52)TATSUNE
(52)Taku Inoue
(52)Alessandra Valeri-Manera
(51)Emi Inaba
(51)Shôko Oomori
(51)Alan Menken
(50)Keiichi Okabe
(50)Calliope Mori
(49)Kaoru Ookubo
(49)Masami Okui
(49)RUCCA
(49)40mP
(48)MIMI
(48)Yasutaka Nakata
(48)