1.   The twice-a-week free tours are narrated by museum docents.

2.   Be sure to rent the inexpensive tape and headset that will narrate your tour.

3.   The audio tour is narrated by Martin himself, and crowds are so light on a weekday morning that you can usually walk right in.

4.   English speakers have their tram tour narrated by Jeremy Irons, while Italians listen to Isabella Rossellini.

5.   While English speakers have their tram tour narrated by Jeremy Irons, Italians listen to Isabella Rossellini.