Is Talkative Amadeus still ongoing?

Talkative Amadeus is currently finished.

FINISHEDMANGA

Talkative Amadeus

おしゃべりなアマデウス

From the Ultimate Manga Guide:

Rio Midorikawa and Usou Ogata took violin lessons together. The sound of Rio's violin reflects her talent and has a deep effect on her audience.

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Story & Art

What is Talkative Amadeus about?: From the Ultimate Manga Guide: Rio Midorikawa and Usou Ogata took violin lessons together. The sound of Rio's violin reflects her talent and has a deep effect on her audience.
Is Talkative Amadeus still ongoing?: Talkative Amadeus is currently finished.