Eternal Sonata/Trivia
- Actor Allusion: Salsa's voice actress is listed as Amy Rose in the credits. Her voice actress Lisa Ortiz provided Amy's voice for five years before being replaced. Same deal as March.
- Cross-Dressing Voices: Mona Marshall as Beat in English.
- Hey, It's That Voice!: Play in Japanese, and you'll hear Giroro in Jazz/Jitterbug and Satoko in Salsa. Not to mention Aya Hirano as Polka...
- In English:
- Jazz is D. C. Douglas (Commandant Alexei, Legion and Albert Wesker).
- Allegretto is Sam Riegel (Flynn).
- Chopin is Patrick Seitz.
- Count Waltz is Liam O'Brien.
- Prince Crescendo is Cam Clarke.
- Fugue is Johnny Yong Bosch.
- Captain Dolce is Mary Elizabeth McGlynn (Motoko Kusanagi and Cornelia La Britannia).
- Polka is Erin Fitzgerald. This isn't the first time she's played The Messiah.
- Falsetto is Sharon Alexander.
- Yeah, there are a lot of famous names.
- In English:
- Playing Against Type: Jazz's VA is also Albert Wesker. Let that one sink in for a while.
- Talking to Herself: The twins Salsa and March share a voice actress (in English; their Japanese voice actresses are different).
- Translation Correction: In the Japanese version, Chopin mispronounced the "grâce" (GRAHS) in his attack "Coup de Grâce" as the English word grace. The English version had the correct pronunciation.