<http://purl.org/NET/c4dm/keys.owl#A> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://purl.org/NET/c4dm/keys.owl#Note> . <http://purl.org/NET/c4dm/keys.owl#A> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#NamedIndividual> . <http://purl.org/NET/c4dm/keys.owl#AMajor> <http://purl.org/NET/c4dm/keys.owl#tonic> <http://purl.org/NET/c4dm/keys.owl#A> . <http://purl.org/NET/c4dm/keys.owl#AMinor> <http://purl.org/NET/c4dm/keys.owl#tonic> <http://purl.org/NET/c4dm/keys.owl#A> .