[MUSICIANS AND COMPOSERS]. BRITTEN, Benjamin (1913-1976). Autograph letter signed ("Benjm Britten") to the Mayor, Aldeburgh, 9 August 1951. 1 page, 8vo, on Crabbe St. Aldeburgh stationery, two filing holes in left margin touching a few letters. Britten thanks the Mayor for the invitation to an Oyster Feast, but has to decline, as he has a professional engagement. -- HAMLISCH, Marvin (1944-2012). Autograph musical quotation signed ("Marvin Hamlisch"), to Sharon, n.p., n.d. 1 page, 8vo, two bars from "The Way we Were." -- MANCINI, Henry (1924-1994). Autograph musical quotation signed ("Henry Mancini"), n.p., n.d. 1 page, 4to, two bars on a handwritten stave from "Moon River", beneath typed lyrics of the song, small clear mounting corners to blank area. -- SOUSA, John Philip (1854-1932). Autograph musical quotation signed ("John Philip Sousa"), 1899. 1 page, oblong 12mo, three measures notated on a hand-drawn stave from a march in 6/8 time. -- Together, 4 manuscripts.