Writers List (alphabetical order)　
By number of commentaries

ア行

• 2 Aikawa, Takuya
• 1 Aoyagi, Izumiko
• 4 Akamatsu, Rintaro
• 2 Akiyama, Tetsuya
• 2 Asakawa, Haruo
• 126 Asayama, Natsuko
• 1 Abe, Miho
• 1 Araki, Chika
• 87 Iida, Arisa
• 1 Iijima, Satoshi
• 1 Iga, Ayumi
• 1 Iga, Ayumi/ Yamaguchi, Masatoshi
• 1 Ikebe, Shin‐ichiro
• 1 Ikegawa, Reiko
• 48 Ikeda, Ami
• 6 Isaji, Sunao
• 3 Isawa, Yukari
• 1 Ishikawa, Ko
• 6 Ishikawa, Nobuyuki
• 2 Ishii, Akiko
• 32 Ito, Moeko
• 31 Itoh, Midori
• 1 Ito, Kenichirou
• 192 Inada, Saeko
• 187 Imazeki, Shiori
• 2 Ueno, Koji
• 222 Ueda, Yasushi
• 1 Uehara, Yukine
• 9 Uosumi,　Megumi
• 1 Umehara, Shiho
• 2 Umemoto, Yuri
• 7 Edano, Natsuko
• 1 Omura, Kumiko
• 1 Osaki, Shigemi
• 1243 Ooi, Kazurou
• 1 Ooi, Hiroaki
• 8 Ota Kaori
• 5 Oi, Shun
• 8 Oshima, Kazumi
• 15 Otsuka, Moe
• 209 Okada, Akihiro
• 10 Ogawa, Itaru
• 8 Okumura, Kyoko
• 2 Oguri, Katsuhiro
• 1 Osaka, Naotoshi
• 24 Ozaki, Koichi
• 1 Ozawa, Kunihiko
• 3 Onda, Yui
• 9 Australian Music Centre

カ行

• 1 Kase, Marie
• 26 Kato, Reiko
• 45 Kanazawa, Osamu
• 1 Kaneda, Mariko
• 35 Kamiyama, Noriko
• 2 Kawasaki, Etsuo
• 3 Kawakami, Osamu
• 3 Kawakami, Masahiro
• 1 Kawaguchi, Naruhiko
• 1 Kawamata, Mako
• 1 Kawakami, Keitaro
• 1 Kyo, Kawai
• 1 Kawaoka, Yuko
• 12 Kawamata, Kyoko
• 37 Mitsuko, Kawabata
• 14 Kikuchi, Tomoko
• 7 Kikuchi, Yusuke
• 1 Kita, Kosuke
• 1 Kusuhara, Shoko
• 1 Kunieda, Yuri
• 190 Kumamoto, Ryohei
• 1 Kume, Noriko
• 1 Kurawaki, Masako
• 1 Kenmochi, Hideki
• 16 Kogure, Yukiko
• 4 Kosaka, Ayako
• 34 Kobayashi, Yukie
• 1 Kobayashi, Sumio
• 7 Komuro, Takayuki
• 1 Kondo, Kohei
• 4 Konno, Chihiro

サ行

• 553 Saitoh, Noriko
• 1 Sakonda, Nobuyasu
• 1 Satoh, Somei
• 4 Sato, Yuko
• 43 Sato, Takashi
• 5 Sadohara, Tomoko
• 41 Jitsukata, Kosuke
• 1 Shinohara, Makoto
• 3 Shinozaki, Midori
• 14 Shibata Rinka
• 6 Shimamura, Naotsugu
• 3 Shimizu, Atsushi
• 4 Shimizu, Yoshihiko
• 8 Shimozato, Hiroyuki
• 59 Shiraishi, Yuriko
• 1 Silvestrin, Alessio
• 4 Jinbo, Natsuko
• 12 CD等解説書より転載
• 9 Sugano, Masanori
• 1 Sugiyama, Youichi
• 215 Sugiura, Nanako
• 2 Suzuki, Yoshihisa
• 1 Suzuki, Kosuke
• 117 Sudoh, Eiko
• 1 Sumikura, Ichiro
• 1 Sumitani, Yayoi
• 2 Sezaki, Junko
• 6 Seta, Atsuko

タ行

• 2 Tainaka, Takuya
• 1 Takahashi, Yuji
• 4 Takasu, Hiroshi
• 3 Takagi, Naoki
• 4 Takahashi, Yui
• 89 Takamatsu, Yusuke
• 10 Takeuchi, Jun
• 5 Takeuchi, Sumire
• 38 Ｔａｃｈｉ, Arisa
• 3 Tanaka, Shuichi
• 2 Tanaka, Yoshifumi
• 1 Tamura, Fumio
• 11 Chiba, Yutaka
• 60 Chong, Riyo
• 17 Tsukada, Hanae
• 1 Tsuchida, Eisuke
• 5 Tsuchiya, Shunya
• 48 Tetsu, Yurina
• 1 Terauchi, Sonoh
• 1 Terauchi, Daisuke
• 2 Todoroki, Chihiro

ナ行

• 2 Naitou, Tazuko
• 3 Naito, Akira
• 3 Naito, Maho
• 6 Nakamura, Nobuko
• 104 Nakatsuji, Maho
• 23 Nakaduka, Yurina
• 35 Nakanishi, Mitsuya
• 1 Nakata, Akemi
• 1 Nakagawa, Shin
• 17 Nagai, Tamamo
• 20 Nagai, Shinnosuke
• 6 Nagase, Yoshihiro
• 1 Natsuda, Masakazu
• 2 Nishimura, Akira
• 2 Nishihara, Minoru
• 29 Nishii, Yoko
• 1 Nishihata, Kumiko
• 6 Nishimoto, Natsuki
• 221 Nishihara, Masaki
• 1 Numaguchi, Takashi
• 24 Nohara, Yasuko
• 1 Nomura, Makoto

ハ行

• 1 Hashimoto, Shinya
• 14 Hatano, Sayuri
• 1 Haneishi, Ayako
• 17 Hamada, Mako
• 70 Hayashikawa, Takashi
• 41 Hara, Akiho
• 10 Hioki,Sumiko
• 7 Higashi, Akiyuki
• 32 Higuchi, Ai
• 6 Higuchi, Akiko
• 3 Hisamoto, Yuko
• 711 PTNA Piano Encyclopedia Editorial Department
• 5 Hirai, Kyoko
• 79 Hirano, Takatoshi
• 34 PWM Edition
• 1 Finnissy, Michael
• 39 Busk, Gorm
• 2 Funayama, Taro
• 327 Profile
• 1 Hoshino, Hiromi
• 1 Hosokawa, Toshio
• 28 Hori, Tomohei

マ行

• 2 Makihira, Yuka
• 2 Matsudaira, Yoritsune
• 3 Matsushita, Tomohito
• 168 Maruyama, Yoko
• 1 Miura, Minoru
• 1 Mizuno, Mikako
• 1 Minato, Shin-ichi
• 1 Miyake, Haruna
• 4 Miyagawa, Shinichiro
• 1 Miyao, Mikinari
• 68 Miyamoto, Yumi
• 4 Miyazaki, Takako
• 2 Miwa, Masahiro
• 2 Murai, Yukiro
• 1 Moriyama, Tomohiro
• 1 Morishita, Yui
• 7 Moriya, Mizuki

ヤ行

• 4 Yagi, Hiroyuki
• 18 Yasukawa, Tomoko
• 22 Yano, Haruka
• 3 Yamamoto, Masakazu
• 2 Yamamoto, Hiroyuki
• 116 Yamamoto, Akihisa
• 1 Yamazaki, Yu
• 1 Yamaguchi, Masatoshi
• 4 Yamagata, Satoyo
• 33 Yamamoto, Nao
• 1 Yuyama, Reiko
• 23 Yokota, Yuki
• 1 Yoshimatsu, Takashi
• 2 Yoshio, Masatsune
• 1 Yoshida, Kyo
• 1 Yoneyama, Tomoko
• 8 Ryang, Songfa
• 4 Wakioka, Yohei
• 46 Watanabe, Maiko
• 316 Wada, Mayuko