OTTAVA Collaborates with Tacticart for Innovative Classic Music Show Starring Violinist Ai Takamatsu OTTAVA joins forces with Tacticart to present a groundbreaking classical music show, featuring violinist Ai Takamatsu as the host, debuting November 26th.

OTTAVA Collaborates with Tacticart for Innovative Classic Music Show Starring Violinist Ai Takamatsu #Japan #Tokyo #OTTAVA #Ai_Takamatsu #Tacticart