Catches.

engraved passe-partout title page inscribed by Cantelo, autograph index of pieces (4 pages),  notated by Cantelo in brown ink on six staves per page, comprising over a hundred pieces by him Cantelo ("J.C", apparently  autograph), Samuel Webbe, Lidarti, Giardini, Burney, John Stafford Smith, Valton, Nares, Marella, Cirri, Callcott, Lampe, Harrington, Hayes, Purcell, Byrd, Hilton, William Lawes, Weldon,  Eccles, Rosingrave, Bates, Mornington, Carey, Nelham, Cooke, Atterbury,  Adrich, Gregory, Brewer, Holmes, Brown, Greene, Ives, and others anonymous, texts in English or Italian, oblong 8vo, paginated (1-96), dated by Cantelo at the beginning and end: Bath, 1789, nineteenth-century half calf, red-gilt label of William Webb, presentation inscriptions on pastedown, a few tears repaired, worn at joints

By direct descent from the Cantelo family.

Condition is described in the main body of the cataloguing, where appropriate
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

James Cantelo was a member of the Catch Club in London.  He was the brother of the singer Ann Cantelo (1766-1831) and keyboard-player Thomas Cantelo (1774-1807), both well-known musicians in Bath: Ann was a pupil of JC Bach.  See Highfill, Burnim & Langhans, A Biographical Dictionary of Actors, Actresses, Musicians, [etc] in London, 1660-1800. (1975).  Another sister, Bathseba, married a Mr Loder, who ran the concerts at Bath. Jane Austen also mentions in a letter, the "excellent singing" of a Mrs Cantelo Smith  in 1811.