Can you hear the shape of a graph?

		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord
		Play eigenvalue scale Play eigenvalue chord