Play video When MIT’s Hayden Library was originally dedicated in 1950, Czech-born composer Bohuslav Martinů was commissioned to write his “Piano Trio in D Minor” to mark the occasion. The piece received its world premiere in a performance by MIT professors Klaus Liepmann on violin and Gregory Tucker on piano, and George Finckel of Bennington College on cello. Seventy-one years later, the MIT Libraries celebrated the renovation of Hayden Library as a trio of current graduate students performed a movement from the piece. Calvin Leung (cello), a PhD student in…