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Platinum Forte / Siegfeld Institute of Music / プラチナ・フォルテ / シークフェルト音楽学院 / Platinum Forte / Siegfeld Ongaku Gakuin
プラチナ・フォルテ / シークフェルト音楽学院
Platinum Forte / Siegfeld Ongaku Gakuin
Platinum Forte / Siegfeld Institute of Music
Platinum Forte / Siegfeld Ongaku Gakuin
Platinum Forte / Siegfeld Institute of Music
プラチナ・フォルテ / シークフェルト音楽学院
Credits 
| Composer / Composer | Kota Tsutsumi / 堤功太, Keita Miyoshi / 三好啓太, Yuki Honda / 本多友紀 |
| Arranger / Arranger | Kota Tsutsumi / 堤功太, Keita Miyoshi / 三好啓太, Yuki Honda / 本多友紀, Akito Matsuda / 松田彬人 |
| Performer / Performer | Hotaru Nomoto / 野本ほたる, Yuka Ozaki / 尾崎由香, Yume Takeuchi / 竹内夢, Haruka Kudo / 工藤晴香, Hikaru Tono / 遠野ひかる, Yusuke Itagaki / 板垣祐介 |
| Lyricist / Lyricist | Kanata Nakamura / 中村彼方 |
Tracklist 
Disc 1
| 01 |
Platinum Forte |
4:31
|
| 02 |
Rose Poems |
4:26
|
| 03 |
Discovery! [Siegfeld Ver.] |
4:36
|
| 04 |
Platinum Forte Instrumental |
4:31
|
| 05 |
Rose Poems Instrumental |
4:25
|
Disc length
22:29
Disc 1
| 01 |
プラチナ・フォルテ |
4:31
|
| 02 |
Rose Poems |
4:26
|
| 03 |
ディスカバリー! [シークフェルトVer.] |
4:36
|
| 04 |
プラチナ・フォルテ Instrumental |
4:31
|
| 05 |
Rose Poems Instrumental |
4:25
|
Disc length
22:29
Notes 
Siegfeld Institute of Music are Akira Yukishiro (CV: Hotaru Nomoto), Michiru Otori (CV: Yuka Ozaki), Liu Meifan (CV: Yume Takeuchi), Yachiyo Tsuruhime (CV: Haruka Kudo), Shiori Yumeoji (CV: Hikaru Tono)
All song lyrics: Kanata Nakamura
M-01
Vocals: Siegfeld Institute of Music
Music & Arrangement: Kota Tsutsumi
M-02
Vocals: Akira Yukishiro = Hotaru Nomoto, Shiori Yumeoji = Hikaru Tono
Music & Arrangement: Keita Miyoshi
Guitar & Bass: Yusuke Itagaki
M-03
Vocals: Siegfeld Institute of Music
Music & Arrangement: Yuki Honda [Arte Refact]
Strings & Brass arrange: Akito Matsuda