Only one thing was on everyone’s mind at the Leacock Theatre on 25 January 2014, and that was Paul O’Dette’s programming of a generous helping of Bach’s lute works. Originally written for the lautenwerk, a keyboard instrument (and a curiosity even in its day) made with gut strings instead of metal, it could emulate a lute so exactly when played that it even fooled experts who listened to it in an adjoining room.