From Piazzale Roma cross the bridge “Ponte del Prefetto” and go straight through “Campazzo dei Tolentini”, Calle de Ca' Amai, and “Ponte de le Sechere”. Here you can take the first (Fondamenta de la Sechera) or the third way at left (Calle del Campazzo) and go on till “Calle de la Laca”, turn right through and go on till “Campiello della Scuola Grande S. Giovanni Evangelista”. The venue is on your left.