What songs are frequently sung at Karaoke JOYSOUND in Japan? These rankings of 2009 show the most popular ones in several categories, general, anime&games, vocaloid, and Touhou. There are also enka, and western songs rankings, but I don't consider them worth posting ^^'
General category
1 Kiseki - GReeeeN
2 Zankoku na Tenshi no Thesis - Takahashi Youko
3 366日 - HY
4 Ti Amo - EXILE
5 愛唄 - GReeeeN
6 Lovers Again - EXILE
7 HANAMIZUKI - Hitoto You
8 ORION - Nakashima Mika
9 Melt - supercell
10 Ai no Uta - Kouda Kumi
Zankoku na Tenshi no Thesis is occupying the second rank, which is not very surprising fact. However, Melt has ranked #9 and that comes as a pleasant surprise to me, as well as World is Mine's 11th place.
Anime category
1 Zankoku na Tenshi no Thesis - Evangelion
2 Lion - Macross F
3 Sousei no Aquarion - Genesis of Aquarion
4 Gake no Ue no Ponyo - Gake no Ue no Ponyo
5 God knows... - Suzumiya Haruhi no Yuuutsu
6 Seikan Hikou - Macross F
7 Touch - Touch
8 Uso - FULLMETAL ALCHEMIST
9 Hare Hare Yukai - SHnY
10 Sobakasu - Rurouni Kenshin
Vocaloid category
1 Melt - supercell
2 World is Mine - supercell
3 Black Rock Shooter - supercell
4 Aku no Meshitsukai - mothy feat.鏡音レン
5 Double Lariat - アゴアニキ
6 Miku Miku ni Shite Ageru - ika_mo feat.Hatsune Miku
7 Romeo to Cinderella - doriko
8 Koi wa Senshi - supercell
9 Cantarella - WhiteFlame feat.KAITO
10 Aku no Musume - mothy feat.Kagamine Rin
Supercell rules the Vocaloid category, having claimed the top 3 positions.
Touhou category
1 Cirno no Perfect Sansuu Kyoushitsu (Cirno's Perfect Math Class)〈Short.ver〉- miko
2 Help me，ERINNNNNN!! - ビートまりお
3 Marisa wa Taihen na Mono wo Nusundeikimashita (Marissa Stole the Precious Thing) - - 藤咲かりん
4 Saishuu Kichiku Ichibu Koe - ビートまりお
5 Shiawase Usagi - あまね+ビートまりお
6 Saisoku Saikou Shutter Girl (The Fastest and Highest Shutter Girl) - ビートまりお
7 tTewi!〈Eientewi Ver〉- 石鹸屋
8 High Coat Pororoca - ゼッケン屋
9 Oyome ni Shinasai! (Make us Your Brides!) - miko，ゆか，まり
10 Touhou Youyoumu ～the maximum moving about～ - 石鹸屋
Cirno has an extremely extensive fanbase, doesn't she? I personally like Marissa Stole the Precious Thing the most from these 10.
JOYSOUND's site with the rankings
Sankaku Complex
