This is a reading from chapter 2 and is introduced with the Adagio from Stephen Paxton’s Concerto No. 1 in G, performed by Sebastian Comberti.
You can buy the music from www.celloclassics.com and the concerto is the one Susan listens to at the end of chapter one.
And here is a video about some of the places featured in Anatomy of Murder. In which I look terrible.
And here is a video of the landscape of Island of Bones. Note the signature at the end I found in an 18th century guidebook of the area: