Analog The archiving type used The encoding used in the archiving process Anchor point for a musical form taxonomy A signal A note Anchor point for a genre taxonomy A digital signal - there might be some redundance, due to the fact that the "sampling" information is already in the time line map A sound engineer is a person who already engineered a performance Musical keys An archived digital signal The abstraction of a musical piece Anchor point for an Instrument taxonomy The product of an arrangement mmm? Redondant with the time line map? minor major Just a small property extending FOAF to associate an agent with a time region