Duo Agineko is an internationally outstanding viola-piano duo, established in Antwerp in 2011 by Belgian violist Sander Geerts (principal viola of the Royal Flemish Philharmonic) and Japanese pianist Yasuko Takahashi (member of the Danish soloists association ‘’Solistforeningen’’).

After appearing as an official duo, they immediately won several international chamber music prizes, such as; Grand prix at the international competition of young performers in Madeira, Portugal on March 2011. Finalists for the chamber music section of the 18th International J.Brahms Competition in Pörtschach, Austria on September 2011. The 1st Absolute Prize and the Special Prize ‘Chamber Music’ at the 22nd Young Musician International Competition for Chamber Music in Barletta, Italy on April 2012. Special Prize for the chamber music section of the 19th International J.Brahms Competition in Pörtschach, Austria on September 2012