"No. 23 Manuscript Songs". Short score. Operatic airs and duets by Giusto Ferdinando Tenducci (c. 1735-1790), Gioacchino Cocchi (c. 1720-1788?), Egidio Romoaldo Duni (1708-1775), and Niccolò Piccinni (1728-1800). Three short keyboard pieces, one by Lord Robert Kerr (1755-1813). Theory exercises are pinned to the inner front cover. The title is from the front cover. Wrapper: brown paper. 9-stave MS paper. In several hands. Original pagination in ink. Foliation added when catalogued. None of the instrumentation is specified within this manuscript.