Hidden Notes is the 11th card of the 39 Clues cards.
"Disco Volante in Venice, Italy is a known Janus hangout. Janus agents enter the store but are rarely seen to exit. Other branches have investigated Disco Volante many times but have found nothing. The store has a large collection of CD's and records and also sells sheet music for everything from Jonah Wizard to Mozart symphonies. Cahills in the know suspect that the Janus use the music to pass coded messages but no one is sure how."
Question: The circled music spells out a Janus message. What is that message?
Answer: Dead aged face.
Top Secret Edit
Three proposed plans for a Janus stronghold.