Musical cryptogram. A musical cryptogram is a cryptogrammatic sequence of musical notes, a sequence which can be taken to refer to an extra-musical text by some 'logical' relationship, usually between note names and letters.
Rockbridge is an unincorporated community in northern Ozark County, Missouri. It is the site of an old mill on spring fed Spring Creek a tributary of Bryant Creek, which still houses the post office. It is twelve miles north of Gainesville on State Route N about one and a half miles north of Route 95. The narrow valley floor is only about 650 feet wide and at an elevation of 770 feet and the Ozark ridges on either side are 200 to 250 feet higher.
Arrow Rock, MO. Arrow Rock is a village in Saline County, Missouri, United States. The population was 79 as of the 2000 Census (56 as of the 2010 Census). The musical Tom Sawyer (1973), based on the novel by Mark Twain, was filmed here. Arrow Rock Historic District has significant properties and the George Caleb Bingham House has been designated a U.S. National Historic Landmark.